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0:01:44

The function f is defined by f(x) = 9/7 x + 8/7. For what value of x does f(x) = 5?

0:05:20

The function f is defined by f(x) = a sqrt(x + b), where an and b are constants. In the xy-plane....

0:02:49

|x - 9| + 45 = 63; What is the sum of the solutions to the given equation?

0:01:50

f(t) =500(0.5)^(t/12); The function f models the intensity of an X-ray beam, in number of....

0:02:53

A store sells two different-sized containers of blueberries. The store's sales of these.....

0:03:07

The shaded region shown represents the solutions to which inequality?

0:04:30

The function f is defined by f(x) = ax^2 + bx + c, where a, b, and c are constants. The graph of...

0:05:25

A circle has center G, and points M and N lie on the circle. Line segments MH and NH are tangent...

0:04:48

The positive number a is 2,241% of the sum of the positive numbers b and c, and b is 83% of c....

0:04:23

A grove has 6 rows of birch trees and 5 rows of maple trees. Each row of birch trees has 8 trees...

0:04:20

f(x) = (1.84)^x/4; The function f is defined by the given equation. The equation can be rewritten...

0:03:57

In triangle ABC, angle B is a right angle. The length of side AB is 10 sqrt37 and the length of....

0:03:22

The table shows the linear relationship between the number of cars, c, on a commuter train and....

0:01:17

x^2 = -841; How many distinct real solutions does the given equation have?

0:02:20

A right circular cylinder has a volume of 432 cubic centimeters. The area of the base of the....

0:04:56

A rectangle has an area of 155 square inches. The length of the rectangle is 4 inches less than 7...

0:01:01

On a street with 7 houses, 2 houses are blue. If a house from this street is selected at random....

0:04:10

In right triangle ABC, angle C is the right angle and BC = 162. Point D on side AB is connected by..

0:04:11

Circle A (shown) is defined by the equation (x + 2)^2 + y^2 = 9. Circle B (not shown) is the....

0:04:11

The table shown summarizes the number of employees at each of the 17 restaurants in a town....

0:02:02

A right rectangular prism has a height of 9 inches. The length of the prism's base is x inches.....

0:04:41

(x +4)^2 + (y - 19)^2 = 121The graph of the given equation is a circle in the x-plane. The point...

0:03:06

The function g is defined by g(x) = (x + 14) (t - x), where t is a constant. In the xy-plane, the...

0:07:19

For an electric field passing through a flat surface perpendicular to it, the electric flux of the..