If ∠q measures 18°, r equals 9.5, and p equals 6.0, then which length can be found using the law of cosines?
r
p
pr
pq

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)