Answer:
21x -15
Step-by-step explanation:
use distributive property
a(b+c) = ab+ ac
Answer:
the first one and the third one, negative three's don't count so don't put those in.
Step-by-step explanation:
-6 ÷ -2 = 3
4 - (-1) = 5
(-1)(-3)= 3
(-2) - 1 = -3
15 ÷ -5 = -3
4÷ 1 = 4
Answer:
b is the input
a is the output
Step-by-step explanation:
f(b) = a
b is the input
a is the output
C, the system has no solution. The lines are parallel
