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)

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?