Answer:
B
Step-by-step explanation:
So
a be first term and d be common difference
- a+a+2d+a+4d+a+6d+a+9d=17
- 5a+21d=17--(1)
And
- a+d+a+3d+a+5d+a+7d+a+9d=15
- 5a+25d=15--(2)
Eq(1)-Eq(2)
Put in second one
- 5a+25d=15
- a+5d=3
- a+5/2=15
- a=15-5/2
- a=25/2
Answer:
12
Step-by-step explanation:
see the pic for the steps
<span><span>−<span>a<span><span>4</span><span></span></span></span>−4 <span>a<span>2 is the answer for your question. </span></span></span><span><span></span></span></span>
Answer:
its 66.96
Step-by-step explanation:
to find the area we do the length x height of the shape