Answer all of these please

Asphere has a diameter of 10 in. what is the volume of the sphere?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27