Solve the system of equations. \begin{aligned} &-9y+4x - 20=0 &-7y+16x-80=0 \end{aligned}


−9y+4x−20=0
−7y+16x−80=0


x=x=x, equals
y=y=y, equals

Solve the inequality, then identify the graph of the solution. 2x – 1 > x + 2

What is the volume of the sphere shown below with a radius of 3?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?