A store discounts a stereo from 130 to 87.50. What is the percent discount?

Which example below uses deductive reasoning? A. using a pattern of dates to predict the next occurence of an event B. making a conjecture about triangles based on 3 examples C. creating the rule 3x+12 to describe a sequence of numbers D.

At lunch, 8 friends share 5 cookies equally. What fraction of a cookie does each friend get.

The function V (r) = 4/3 pi r cubed can be used to find the volume of air inside a basketball given its radius.

A ball is launched straight up from the ground with an initial velocity of 128 feet per second. 19a. At what time does the ball reach its maximum height? and 19. b Find the maximum height of the ball.

Solve the system. 3x+2y=-2 6x-Y=-6

Can you guys give me step by step on how to solve this ... ik the answer. "infinitely many solutions" I need the STEPS 5 + x - 12 = x - 7

A company's sales decreased by 8% this year, to $9015. What were their sales last year? (Round your answer to the nearest penny.) My answer was 9,736.2, but the correct answer was 9798.91. Could someone explain how did they get to 9798.91?

Find the difference (2ab+7a+1) - (8ab+9)

Use four 8's to make 8

Terri brought 1.74 meters of rope. Gracie brought 1.64 meters of rope. Who brought more rope