3. Divide the sum of 8 and 12 by 4.

What is 32+4 x (16 x 1/2) -2 show your work}

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'