Can someone please help me Stephanie invests $8,000 in a simple interest account for 7 years. What interest rate must the account pay so there is $11,000 at the end of 7 years ?

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 the rule be for the reflection of y=-3

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters