Solve the following system of equations using substitution. what is the value of y? 2x + 3y = 105 x + 2y = 65

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp