What type of function is y=7(5/4)^x

Average acceleration: i have no idea how to do this.

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8

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?