Marcy bought a total of 20 years books and cds during a yard sale for a total of $54.50 cents. if books cost $1.50 each and cds cost five dollars each how many of each did she buy

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

What is the binomial expansion of (2x-3)^5

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.