Michael sold 23 of his CDs and purchased 16 more.

If Michael has 25 CDs now, how many CDs did he have to begin with

A cylinder-shaped sculpture is 24 meters high with a diameter of 6.8 meters. An artist plans to paint the entire surface blue. If one can of paint covers 50 square meters, how many cans does the artist need to paint the sculpture? Use 3.14 for p.

In the 30-60-90 triangle below, side s has a length of and the hypotenuse has a length of

A rectangle's width is 2 meters shorter than its length, l. Its area is 168 square meters. Which equation can be used to find the length of the rectangle? l (l - 2) = 168 l (l + 2) = 168 2l 2 = 168 1/2l 2 = 168

Determine whether the ratios 2/5 and 20/50 are proportional. An investment lost $975. Write an integer to represent this situation. Then find the additive inverse of the integer, and tell what it represents.

Use a double number line to solve 2x+8=20

1. Which equation represents the linear graph? A) y = 2x - 4 B) y = 2x + 4 C) y = 4x - 2 D) y = 4x + 2

Mary has $500 in her account. She makes a $350 withdrawal, deposits $100, and then gets charged a $20 fee. How much does she have in her account? A) $180 B) $230 C) $290 D) $340

A function g (x) has x-intercepts at (1/2,0) and (6,0). Which could be g (x) ? g (x) = 2 (x + 1) (x + 6) g (x) = (x-6) (2x - 1) g (x) = 2 (x - 2) (x-6) g (x) = (x + 6) (x + 2)

Roger is training for a half-marathon. The course is 13.1 miles long. Let p represent Roger's average pace in minutes per mile. Write and solve an inequality to show the average pace needed to finish the half marathon in less than 2 hours.

Find the area under the standard normal curve to the left of z = 0.49 and to the right of z = 2.05. Round your answer to four decimal places, if necessary.