A group of 21 people need to take an

elevator to the top floor. They will go in

groups of seven. They are deciding who

will go in the first group.

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?