Find the area of a parallelogram that has a base of 12 ft and a height of 7

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

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?