Which method would be more efiicient to solve the system y=1/2x and 2x+3y=28

Determine which relation is a function. A. { (1,2), (2,3), (3,4), (4,5) } B. { (2,2), (3,2), (4,2), (1,2) } C. { (5,7), (5,8), (5,1), (5,3) } D. { (1,2), (5,8), (1,4), (3,8) }

a store has 800 T-shirts if 40 of the t-shirts are a size small what percent of the t-shirts are small

How do you convert 0.40 into a fraction

The information for two pay as you go cell phone companies is given. On cell 3.5 hours: 10 dollars. Talk time half an hour: 1 dollar and 25 cents. What is the unit rate in dollars per hour for each company?

What is the answe to, 81^-1/4

What is y=2x+1 and y=-1/2x+6? The 1/2 is a half ... just saying so you don't confuse it with division!

Forty-threeless then the twice a number, n

If h=11 units and r = 2 units then what is the approximate volume of the cone

What's the difference between linear and non linear functions

32 mystery books and 56 biography books, each shelf has the same number of books on them, how many books go on each shelf and how many shelves for each type of book