Its R
you can just see in figure as square root of 50 is approximately around 7.07
14 x 12 = 168
168 divded by 2.90 = 57.9
First you find how many prizes were dolls. Then you subtract that number from 64.
Answer:
8x²−6xy+20x−15y
Step-by-step explanation:
(4x−3y)(2x+5)
=(4x+−3y)(2x+5)
=(4x)(2x)+(4x)(5)+(−3y)(2x)+(−3y)(5)
=8x²+20x−6xy−15y
=8x²−6xy+20x−15y