The falls that make up Niagara Falls are eroding backwards, thus migrating upstream.

They have migrated back 20 feet in the past 10 years. What is the rate of erosion along the falls?

16a^2+21a+9=6a^2 solve the equation for all real solutions

X+y = - 4 graph the equation

How do you solve this problem 9a-4b-a+1?

Katherine has a life insurance policy that will pay her family $35,000 per year if she dies. Katherine's insurance company expects that it would have to put $1,400,000 into a bank account so that it could make the payments.

What are some real-life examples of objects that are rectangles and made of square tiles in rows and columns?

In a certain normal distribution of scores, the mean is 50 and the standard deviation is 6. Find the z-score corresponding to a score of 60 a. - 1.67 b. 10.0 c. 1.67 d. 8.33

Phillip has x marbles. His father gave him 2 times the number of marbles he has. Now he has 21. How many marbles did Phillip have before?

IThe first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 72, 24, 8, ... Find the 8th term.

A cannery processed 735 pounds of strawberries in 3.5 hours. The cannery processed 2100 pounds in 10 hours. a. Write an equation using function notation to model the weight of strawberries s processed in t hours. b.

At Kent Middle School, there are 104 students in the band and 80 students in the choir. What percent of the number of students in the choir is the number of students in the band