To increase an amount by 3.2% what singular multiplier would u use

In the rectangle below ac=30 units what is de

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?