For the first one I think it is 113.1 (solved using equation A = pie x r^2) For the second one I think its 616 having done 1/4 x 22/7 x 28^2
Answer:
8
Step-by-step explanation:
34= 4x + 2
-2 -2
32 =4x
/4 /4
x=8
I bought 8 erasers.
0.35x7=2.45. The river's height decreases by 2.45 inches after 7 days
9514 1404 393
Answer:
B: 0.20
Step-by-step explanation:
Green was selected 8 of the 40 times. We expect its probability of selection to be about ...
8/40 = 1/5 = 0.20 . . . p(green)
