How many solutions does the equation 6z - 3z - 7 = - 2 + 3 have?

Two

None

Infinitely many

One

three students ordered wings that cost $21 and french fries for 6$. If they split the bill equally how much did each student pay

How many 4-digit numbers can be formed using only the digits 9, 8 and 7?

What is 1/2x1/2x1/2?

How many 7-letter permutations are possible for the letters S, T, U, D, Y, H, A, R, D?

90x=120y What is the ratio of x : y?

dean pours 3 gallons of paint equally into 5 cans. how many gallons of paint will there be in each can

Suppose N coins lie heads up on a table. In one turn, you can turn over any (N-1) coins. Is it possible that N coins could lay tails up in any number of turns, if a N=15?

Mikayla asked 10 of her friends how many hours of TV they watch in a week. Three of her friends said 8 hours, two of her friends said 9 hours, two of her friends said 11 hours, one of her friends said 12 hours, and two of her friends said 14 hours.

In 2015, the population of a small town in florida is 95. of the population increases 15% per year, approximately what will the population be in 2023

A total of 4 buses carrying 148 students from the same school arrive at a football stadium. The buses carry, respectively, 40, 33, 25, and 50 students. One of the students is randomly selected.