If d is the centroid of pqr, pa=17, bd=9, and dq=14, find each missing number

The circumference of a circle is 60 pi cm3what is the radius of the circle

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.