Solve the system of equations: y= 2x
y = x2 - 3
O A. (-2, 1) and (2, 1)
O B. (-1,-2) and (3, 6)
O C. (-2,-4) and (2, 4)
O D. (-1,2) and (3, 2)

Simplify the expression. -2/5(10+15m-20n)

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

Vinny is interviewing for a job. he wants his take home pay to be at least $42,000.what is the least salary he can earn if he pays 25% income tax?