Answer:
<em>radius: r2 = 3.14 × 632 = 12470 square mm</em>
Step-by-step explanation:
60-3d + 20-6 =4d
74-3d =4d
-3d =4d -74
-7d = -74
D=74/7
Answer:
0 and 4
Step-by-step explanation:
The number of her correct answers is
(the total number of questions on the test) minus (20) .