By the looks of this the answer is E
Derek weighs 155
155+220
Simplify the left hand side by multiplying the terms in the parenthesis by 3/4, i.e. divide them by 4 and multiply them by 3:

Subtract 6x from both sides:

Subtract 2 to both sides:

Pythagorean theorem a^2+b^2=c^2
Answer:

Step-by-step explanation:




hope this helps
Answer:
B.
Step-by-step explanation:
