PLZ Help Urgent. 15 POINTS, Guaranteed. Plz Answer honestly or you will be reported.

Multiply.
15 ⋅ 1/3

1/45

1/5

5

45

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

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