Your classmate is unsure about how to use side lengths to determine the type of triangle How would you explain this to your classmate ?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y

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?