What is the coefficient in the expression 5x2 +3 ? O
A. 2
O
B. 3
O
C. 5
O
D. x

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)

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.