Which radical expression represents the combination of the expressions 3 √90 + 2 √27 and −(5 √3 + 8 √40 )? A) √3 + 25 √10
B) 11√ 3 + 25 √10
C) √3 − 7 √10
D) 11 √3 − 7 √10

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?

The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter: 3 ft. what is the area of the actual floor? what is the ratio of the area in the drawing to the actual area? the area of the actual floor is square feet. the ratio of the area in the drawing to the actual area is 1 square centimeter: square feet.