Find the midpoint of (-1, 5) and (2,-3)

Find the difference (8ab+a+2) - (3ab+6)

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

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?