How do I solve this system using substitution: y = x - 7; 2x + y = 8

A women-only gym has 60% of its members married. 75% of the married women exercise in the morning and 30% of the single women exercise in the morning. Find the probability of being married if you go to the gym in the morning.

14=7x+4-2x (Simplify your answer)

There are 24 animals in the barn. Some are chickens and some are horses. If there are 84 legs in all, how many of each animal are there? (No animals are missing

I have 72oz of juice. I have to fill as many 6oz glasses as possible. Then I can drink what's left over. How much juice do I get to drink?

A u. s. dime has a thickness of 27 / 20 millimeters guy has a stack of Dimes that is 783 / 10 millimeters tall. How many dimes does he have?

Count by ones from 368 to 500. change for a larger unit if. necessary. When counted from 368 to 500

Which of the following is equivalent to 2x-8+3 (4-x) A] 4-x B] x-4 C] 5x+4 D]5x-20

The school choir is going on a field trip to see an opera. There are 34 students and 5 teachers going on the trip. If each ticket costs $9.50, about how much money do they need to raise to pay for the cost of the trip?

A music concert will be held at the arena. The promoters have already sold 4,000 tickets Each ticket costs $30. How much money has already been collected?

If a 5 is an integer when is 9/6 always equal to an integer a) b equals 0 b) b < 1 c) b > d) b=1 or - 1