Spaceship model kits originally cost d dollars online. You can buy each kit on sale for 30% of the original price, plus’s shipping fee of $3.50 per kit. After assembly, you sell each model online for (2.5d+5) dollars. What is your profit on each model spaceship sold?

step-by-step explanation:

b and c

step-by-step explanation:

what are the statements? and what do you mean by "216 2 1 6"?

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

let's fu(!

step-by-step explanation: