The number of red tiles in a sack can be represented two ways. The number of red tiles is 5 more
than 4 times the number of blue tiles in the sack. The number of red tiles is 35 more than the
number of blue tiles. How many blue tiles does the sack contain?
A.3
B.7
C.6.5
D.5

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)