7. The area of a rectangle is x^3 + 8x^2 + 13x - 12 square units. The width of the rectangle is x + 4 units. a) What is the length of the rectangle?

b) What is the perimeter of the rectangle?

(write as unit rate) 12 meters in 2.8 seconds =

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?