100% + 25% is 120% then 120 as a decimal 1.20 then you do 1.20 x 65 = 78
soo the selling price is $78
Add 21 to both sides, so you get 9z = 81
Answer:
Answer B and C
Step-by-step explanation:
Z is the center of the circle passing through H,G,J:
HZ=85=ZG=ZJ ==> ZJ=85 : B is true
HK=KG=136/2=68: C is true.
Answer:
972pi
Step-by-step explanation
Equation of sphere volume = 4/3pir^3
4/3*9^3*pi = 972pi
