Answer:
Step-by-step explanation:
2^-2 would become 1/2^2 which becomes 1/4.
Answer:
y=19
Step-by-step explanation:
2y + 2 = 180 - 120 -20
2y = 40 - 2
2y = 38
y=19
Answer:
A, B, & D
Step-by-step explanation:
Because they all have equal signs
Answer:
true
Step-by-step explanation:
