If r = the number of roses, which algebraic expression represents the phrase below?

the difference of the number of roses and 18 lilies

O

O

A. r= 18

O

B. r- 18

O

C. P + 18

D. r. 18

O

SUBMIT

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post