Patty ordered a pizza to be delivered. The bill was $12.00. Patty pays $15 and tells the delivery person to keep the change as a tip. What percent tip did she give?

Find all the values of x for which the function is differentiable. f (x) = (x^3-8) / (x^2-4x-5)

The sum of a number x and 4, all divided by 3

When 64 is added to the number that is produced by doubling the number x, the result is equal to 35 times the number that 1 less than x. What is the value of x?

The bill for lunch at a restaurant was $24.50. Mr. Smith added a 20% tip. How much did he pay? 1) $19.60 2) $29.60 3) $29.40 4) $26.50

A jar contains nine blue marbles, eight yellow marbles, 11 black marbles, and 12 red marbles. Without looking, what is the probability of pulling a white marble from the jar? 1 0 3/10 9/40

On Friday, 3,286 tickets to a minor-league baseball game were sold. On Saturday, 5,745 tickets were sold. How many more tickets were sold for the game on Saturday than on Friday? A. 1,372 tickets B. 2,459 tickets C. 2,541 tickets D. 9,031 tickets

What is the slope of the line whose equation is 12 = 4x - 6y?

How many seconds are in 10 hours

If shoppers enter a store at an average rate of r shoppers per minute and each stays in the store for average time of T minutes, the average number of shoppers in the store, N, at any one time is given by the formula N=rT.

Rx+9/5=h, Solve for the value of x