The sum of John's and Liza's age is 21. If John is three years

younger than Liza, how old are John and Liza?

Express your answer as an ordered pair (x, y) where John is x

and Liza is y.

A certain species of fish is to be introduced into a lake, and wildlife experts estimate the population will grow to P (t) = (715) 4t4, where t represents the number of years from the time of introduction.

You can buy 5 cans of green beans at the village market for $3.00. You can buy 10 of the same cans of beans at sam's club for $5.90. which place is the better buy?

Convert. 08km into meters

What is the percent of change from 7500 to 8200

If you charge $500 on a credit card today, how much will the balance be in two years (assuming no additional fees) if the credit card has a 10% APR that is compounded - a. once a year? b. once a month? c. once a week?

Lisa has $15 in her piggy bank. How much additional money does she need to buy a game that costs $75?

Nadia bought 5 tickets to attend a spaghetti supper fundraiser at her school. The equation 5x = 32.50 can be used to find x, the cost of each ticket in dollars. Which equation represent the cost of each ticket.

Evaluate 3+jk+k^33+jk+k 3 3, plus, j, k, plus, k, cubed when j=2j=2j, equals, 2 and k=6k=6k, equals, 6

Use the Pythagorean Theorem to find the missing side. Round your answer to the nearest hundredth. 19 m 52 m

A machine produces a total of 12,000 bolts a day, which are on the average 3% defective. Find the probability that out of 600 bolts chosen at random, 12 will be defective.