Hannah made a deposit into her savings account at a simple annual interest rate of 5%. hannah earned $3600 in interest after 8 years. what amount did hannah originally deposit?
a. $4500
b.$7200
c.$9000
d.$12,600

What expression is equivalent to 42x-56y

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

Line wx is parallel to line yz. if m