How many solutions are there to the equation 10x ^ 2 - 20 = 100

A- 0
B-1
C-2
D-infinite

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)

Compound inequalities. , i’m being timed

In triangle abc, angle c is a right angle. find the value of the trig function indicated. find tan a if c = 17 and a = 8