What is the difference in temperature between −10°F and 30°F?

A)
10°F

B)
15°F

C)
20°F

D)
40°F

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?