Answer:
the answer is 20
Step-by-step explanation:
180+180=360
80+70=150
180-150=20
Answer:

Step-by-step explanation:
Use
for the equation of a circle in standard form with radius
and center
. Therefore, the equation of the circle in standard form is 
Answer:
1¼ cups
Step-by-step explanation:
2¼ ÷ 1/4/5 =
9/4 ÷ 9/5 =
9/4 x 5/9 =
5/4 = 1¼