What is the best compounding period through annuity to pay back a debt of $4500 for college through 4 years? and why? note: compounding period such as semiannual and other compounding periods

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?