Find the inner product for (-2,4,8) (16,4,2) and state whether the vectors are perpendicular.

A total of 3 1/4 cups of sugar was used for making cookies. Each batch of cookies require 3/4 cups sugar. How many batches of cookies were made.

if each of the 4 shelves holds 14 movies, how many movies does betty have on her shelving unit? show your work

What is the most appropriate unit to describe the time you can drive a car based on the amount of gas

a mother wants to invest 11,000 for her sons future education. she invest a portion of the money in a bank cd which earns 4% and the remainder in a savings bond that earns 7%. the total interest earned is 660.00 how much was invested into the cd

Kim and jose shared one whole pizza. kim ate 4/6 of the pizza, and jose ate 3/12of the pizza. how much of the pizza was eaten? A 1/12. B 5/12. C. 7/12. D. 11/12

Jamal and tia started riding to the mall with their bicycles. The mall is 3.5 km from Jamal's house. They stopped for a drink at a park after 2.25 Km. How much farther do they have to ride to reach the mall.

Luke made a model of a solid figure with one circular base and one curved surface with solid figure did he make

A cone is inscribed in a regular square pyramid. If the pyramid has a base edge of 6" and a slant height of 9", find the volume of the cone.

Solve for x. Must be simplified 15<-5x

Simplify the following expression. (3 + 8 x) + 7 x 3 + 15 x 18 x 18 + x 11 x + 7