When Jennifer does 9 push-ups and 6 sit-ups. it takes a total of 45 seconds. In comparison, she needs 69 seconds to do 9 push-ups and 14 sit-ups. How long goes it take Jennifer to do
each kind of exercise

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

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.