Answer:
-7x^3 + 5ax - 3 + 7x^3 + 5 - 9ax
-4ax + 2
answer is c
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
The area of the shaded portion is the area of the outer circle subtract the area of the inner circle
area of larger circle = πr² ← r is the radius = 11
area = π × 11² = 121π
area of smaller circle = πr² ← r = 9
area = π × 9² = 81π
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shaded area = 121π - 81π = 40π m² ≈ 126 m²
Answer:
.4=a
Step-by-step explanation:
self explanatory
Answer:
Step-by-step explanation:
let x be necromancers and y be wizards
if you know the amount of wizards and want to find the amount of necromancers. you just use y + 6
but if you know the amount of necromancers and want to find out the amount of wizards you just do x - 6
Would be the last answer because (n-3)times (n-3) is n^2-6n+9