Solve the system {-2x+3y=12 {2x+3y=0

Which expression is equivalent to 2x^2+7x+4?

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

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