Donna wants to create a stained glass window composed of one quarter circle two semi circles and one parallelogram which measurement is the closest to the amount of stained glass in square inches

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Equation for the calculation double 2 and then add 5

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.