Answer:
S.A. = 15.7
Step-by-step explanation:
S. A. =
1 x 1 x 3.14 = 3.14
3.14 x 1 x 4 = 12.56
12.56 + 3.14 = 15.7
Answer:-9/2 or -4.
5
2x-y=6
2*(-4)-(-6)=6
-8+6=6
-2=6
Answer
100 to 300
200 to 300
320 to 400
250 to 300
I hope this helps
21
3 (7) - 2(4) + 8
21 - 8 + 8
13 + 8