Answer:
A =

Step-by-step explanation:
∵ The diameter of the mug is 8 cm and using to cut out circular cookies
∴ The diameter of each circular cookie is 8 cm
∴ Its radius = 8 ÷ 2 = 4
∵ Area of the circle = 
∴ Area = 
Answer:
MJK & PJR = Unequal
LJP & NJR = Equal
KJR & MJP = Equal ? (not too sure with this one)
MJP & PJR = Unequal
KJL & LJM = Unequal
Answer:
Coin 1 = quarter
Coin 2 = dine
Coin 3 = penny
Step-by-step explanation:
Remember that you can do anything ot an equaiton as long as you do it to both sides
-8+x=0
add 8 to both sides
8-8+x=0+8
0+x=8
x=8
answer is B. 8