Please answer this

physics

0.40(6+2)(10)-0.40(2)(10) = 6 x 1.5m/s^2 ​

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

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.