Which answer shows the following expression in simplest form? y(2.5 + 7) + y - 2

A 10.5y - 2

B 3.5y - 5

C 2.5y + 9

D 10.5y + 2

(its a pre test but i still wanna do good)

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.