SOMEONE PLS HELP ME WITH QUESTIONS 12 AND 13

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

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?