7. Which method would be the most efficient to solve the system? y = 1/2x, 2x + 3y = 28

A) graphing

B) substitution

C) elimination

D) distributive

The line segment formed by connecting vertices E and B is 17 units long, the line segment formed by connecting vertices G and E is 13 units long, and the line segment formed by connecting vertices H and A is 17 units long.

The store made a 60% profit on the $180 selling price of the coat. what was the stores profit

Solve for j. 9j-8=8+9

How to do a stem and leaf plot

Is 0.07 less than 0.06

What is 0.5 times 10 as great as

Grace gives her sister a riddle: I have number x. I add 15 to twice x to get result A. I subtract 4 from x to get result B. I multiply result B by 3 to get result C. Result A is equal to result C.

On a softball diamond, the bases are 60 feet apart and meet to form right angles. A base runner is standing on first when the batter hits a long flight ball down the right-field line.

According to the National Sleep Foundation, teenagers need about 9 hours of sleep each night to function at their best. Unfortunately, many teens do not get nearly this amount.

2/3+3/4 in simplest form