Combine like terms:
5c + 4(d + 6c)

NEED THIS ASAP
Due in the next few hours!!

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?