A used bookstore will trade 2 of its books for 3 of yours. If Val brings in 18 books to
from
trade, how many books can she get
the store? Pls take picture of your work on paper

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.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9