What is 3/14 times 7/9 times2/7

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.

What are the solutions of the following system? y=-2x^2 y=x-2