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?

Consider a collection of envelopes consisting of 3 red envelopes, 2 blue envelopes, 2 green envelopes, and 3 yellow envelopes. If three envelopes are selected at random, without replacement, determine the probability that they are all red envelopes.

Trevor rode of a mile every minute. How many minutes did it 16 take him to ride 20 miles? Roundyour answer to the nearest minute.

Evaluate the expression. - 5g - 6 for g = - 2

V=r^2+R^2h; Solve for R

Evaluate the expression. 6 · (5+2) a. 17 b. 32 c. 42 d. 60

What is the answer for x in x/5 = 7

Can the numbers 1 3 5 7 make two numbers whose product is 1767

Jamal is making pancakes. He has 6 3/4 cups of batter, but he needs a total of 12 cups. How much more batter does Jamal need?

A surfer recorded a maximum wave height each day at the beach for 10 days. The results are shown in this dot plot

Edith wants to plan a dinner for one day of the week. She decides to put all the days of the week once into a hat. If she chooses one day a random, what is the probability that she chooses a weekday?