During summer vacation, you charge people $8 per hour for swimming lessons and $20 registration fee. if you make$52 one day , how many hours did you spend teaching lessons?

Find the slope of the line y =8/9x + 1.

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

What properties allow transformation to be used as a problem solving tool