What is the value of y in the solution to the system of equations?
*x+3y=1
2x – 3y = -30

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000