Which statements are true?

select each correct answer.

6m^2+18m=6m^2(1+3m)

15m^3−6m=3m(5m^2−6m)

32m^4+12m^3=4m^3(8m+3)

40m^6−4=4(10m^6−1)

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

In the 30-60-90 triangle below side s has a length of and side r has a length

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.