Answer:
Step-by-step explanation:
This composite figure consists of a right triangle and semicircle
The area of a triangle is: 1/2(bh)
The area of a semicircle is 1/2(pi)(r²)
Plug in the values:
1/2( 12)(8)
=48
1/2(3.14)(4²)
=25.12
25.12+48=73.12
Hope this helped :)
The second and the third one because first is the same as 3 4/7 and 81=3^4
5a^10-2 I’m pretty sure that’s the right answer
Answer:
-64
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Step-by-step explanation:
multiplying by -4 each time