Which expression means 63?
a)
6 × 3
b)
6 × 6 × 6
c)
3 × 3 × 3 × 3 × 3 × 3
d)
(2 × 3) × (2 × 3) × (2 × 3)

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Can someone me out here number 4 plz

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.