D because your making the shape smaller 2 times
Answer: 2.7 is the decimal for 2 7/10
Step-by-step explanation:
(16 ×7×3)+(1/2×3×5×6)
=336+45
=381cubic inch
Answer:
b6 2hich method
Step-by-step explanation:
I solv3 this
Answer:9a^2+18a-72
Step-by-step explanation:
9(a+1)^2-81
9(a+1)(a+1)-81
Open brackets
9(a^2+a+a+1)-81
9(a^2+2a+1)-81
9a^2+18a+9-81
9a^2+18a-72
