A store had a number of chairs in stock at the beginning of the week. During the week, 66 chairs were sold, leaving the store with 15 chairs. How many chairs did the store have at the beginning of the week?

Find the sum of 10 (E) (i=3) 2i-9

how to solve for 6 square root of 5

Convert 11.7 cm3 into ml

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What is your y intercept for the equation y=1/2x-3?

What number should both sides of the following equation be multiplied by to solve for x? x/6.5 = 4 5 6 6.5 26

Solve for x. 6x + 2 = 14

A manager purchased a total of 21 coffee mugs and key chains. Each coffee mug cost $8.50, and each key chain cost $2.75. If the manager spent a total of $132.50, how many coffee mugs did the manager purchase?

Find the quotient - 72/-12=

Luke lives 0.4 kilometer from a skating rink mark lives 0.25 kilometer from the skating rink who lives closer