Lisa used 10 centimeters of tape to wrap 5 presents. how many presents did lisa wrap if she used 34 centimeters of tape? assume the relationship is directly proportional.

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28