What is the product?
(-3s +21)(45-6)
A-1252-222
B-1252 +222
C-1252 +8st – 22
D-12s +11st-212

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

Which of the following domains provide a real value periods