Show work entirely! i'm giving 15 points : -) given the two figures are similar, calculate the value of v diagram can be seen here:

H(x)=4x2-5x h(-3) what is the answer?

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=