Simplify this expression. 3x2 (7x2 - 9)

A) 21x2 - 9

B) 21x2 - 27x2

C) 21x4 - 9

D) 21x4 - 27x2

A pipe that is 136 inches long is cut into three parts whose lengths are in the ratio 3 : 5 : 9. Find the length of the shortest piece.

Tell if a triangle can have side lengths of 3.8, 4.1, and 5.2. If so, classify the triangle as acute, obtuse, or right. A) yes; obtuse B) no C) yes; right D) yes; acute

Of the 95 children in 6 grade 3/5 went to Holliday parties. How many student went to holiday parties in all

An electronics store had a 20% off sale, if a stereo originally cost $125, how much did the stereo cost during the sale

An aging minus of receivable indicates that the amount of uncollectible accounts is $ 3, 310. The Allowance for Uncollectible Accounts prior to adjustment has a credit balance of $ 600. The Accounts Receivable balance is $ 44, 720.

What is the volume of a sphere if the radius is six

The graph shown here displays the distance, in miles, traveled by an airplane in a certain number of hours.

A summer camp is providing breakfast for 350 children that includes a 6 ounce serving of sausage per student. The camp can only purchase sausage in whole 1 pound packages.

What is the surface area of a conical grain storage tank that has a height of 43 meters and a diameter of 14 round to the nearest square meters

There are 8 rulers in the drawer Sara took 3 rulers from the drawer how many rulers are now in the drawer