Answer:
Step-by-step explanation:
We are given the two functions:
And we want to find:
So, by substitution, we acquire:
Distribute:
Simplify:
Jessica bought 2.25 yards more material than Derek. Hope this helped!
my answer is in the image above
for the first question
8² +7²=x²
64 +49=x²
x=√113
similarly for second
15²+18²=x²
225+324=x²
√549=x
3√61=x