Answer:
d. 15 square yard
Step-by-step explanation:

Let n = number
9n + 4 = - 77
9n = - 81
n = - 9
Your number is - 9.
Answer:
ef + eg
Step-by-step explanation:
Distributive Property: a(b +c) = (a*b) + (a*c)
e(f +g) = e*f + e*g
= ef + eg
A) Olly weighs more. Ellen=x, Olly=x+15, James=x+11.
B)Ellen weighs the least. Olly and James have more weight than her making her the lightest.
C)James weighs less than Olly. Olly=x+15, James=x+11
(3m^2n) x (-6m^2n)
Answer is
-18m^4n