Find the reference angle of 100 degrees

1. Why do you think the rule is called the difference of two squares? 2. Does it matter whether the product is (a+b) (a-b) or (a-b) (a+b) ? Explain.

What is the answer to this question? Erica knits 18 squares on Monday. She knits 7 more squares each day for the rest of the week. How many squares does Erica have on friday?

What is - 5/8 * 2/3 than divide by 2

Find the product of (4.2) (0.2)

You want to save $20,000 to buy a new boat. You deposit $12,500 in an account earning 6.5% simple interest. After how long will you have enough money in the account to purchase the boat?

Use compatible numbers to estimate quotient 2000 divided by 7

Which of the following is a congruence transformation? A. Stretching B. Dilating C. Reflecting

Benito spent $1822 to operate his car last year. Some of these expenses are listed below. Benito's only other expense was for gasoline.

Katie is k years old. Harry is 4 years older than Katie. Rachel is twice as old as Harry. If you add together the ages of Katie, Harry, and Rachel the total comes to 36 years. Algebraically, determine the age of each person.

If xy = 6 and x^2y+xy^2 + x+y=63, find x^2+y^2.