Answer:
B
Step-by-step explanation:
Given
9² × (
)² - 9
= 81 ×
- 9 ← cancel 81 and 9 by 9 leaving
= 9 - 9
= 0 → B
Answer:
c = -2
Step-by-step explanation:
-5c - 10 - 5c - 2 = 8
-10c - 12 = 8
+12 +12
-10c = 20
/ -10 / -10
c = -2
Answer:43.2
Step-by-step explanation:
first you do 80-40% and then -10%
Answer:
12 cups
Step-by-step explanation:
lets break it up, 7+4 = 11 and 3/4 + 1/4 = 1 and 11 + 1 = 12, so the answer is 12.