Determine the sign of the sum of -8+8.
a) positive
b) negative
c) zero

Convert 2000 swiss francs to dutch guilders

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

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.