Answer:
7.A
8.D
Step-by-step explanation:
30° the angle is ro small to be 90° to small to be 60° and to small to be 120°
Answer:
21y^2+11.2
Step-by-step explanation:
4-3y(-7y)+7.2
combine like terms
-3y (-7y) = 21y^2
add 4 to 7.2
11.2
21y^2 + 11.2
The circumference of the circle is 40π. Hope it help!
