DJ Max Beats charges $80 plus $12.50 per hour. DJ Wildz charges $95 plus $9.50 per hour.
When will their charges be equal?

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Can someone me out here number 4 plz

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?