Which measure is a measure of center? mode, interquartile range, range, mean absolute deviation, quartile

12 is 33 1/3% of 36 what is the whole

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

X+ y = 5 ; x - y =3 solve using linear combination