Every day you collect 4 pennies and keep them in a jar. so the first day you have 4 pennies, the second day you have 8 pennies, the third day you have 12 pennies, etc. how many do you have on the 15th day?

What is the prime factorization of 23 ?me with this question

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

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