19 find x
20 find y

Please help me with this

Find the equation using the point (4,8)

Alogical argument that is presented in graphical form using boxes and arrows is called?

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?