Write a general formula to describe the variation: x varies directly with y

What is x? x/3 + 10=15 A. 15 B.-8

Sam has just purchased 10 new high speed color laser printers for his company. He is very excited because he got a 40% discount and paid only $2,990 for each unit. His boss, Joe, wants to know things such as operating costs, support, overhead, etc.

Find the pattern. What numbers come next? 63, 57, 51, 45, A 38, 30, 22 B 38, 31, 24 C 39, 33, 27 D 39, 32, 25

Verify whether or not the algebraic expressions are equivalent for m = 4. Explain your answer. 2m + 5 + m - 4 - 5m - 4 + 8m + 5

a salesperson's weekly paycheck is 40% more than a second salesperson's paycheck. The two paychecks total $1275. Find the amount of each check.

How many minutes from 11.35 and 12.25

What is the total number of ways the two dice can be rolled?

What is the solution to 2x2 - 5x = - 8?

In a class of 26 student, 15 of them like maths, 13 of them like english and 9 of them don't like maths or english. Find the probability that a student chosen at random like english but not maths.

American car travels 32 miles on 1 gallon of gas European car travels 12.7 km on 1 L of gas which car gets better gas mileage explain your reasoning