Which expression is equivalent to 2(4 + x) + 3 ? a. 2*4+x+3
b. 2 + 4 + 2 + x + 3
C. 2.4 + 2 . X+3
d. 2.4.x.3

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?