Is 2x+x^3 a polynomial?

From midnight to 6:00 am, the temperature rose 8*C. At 6:00 am, the temperature was - 20*C. What was the temperature at midnight?

Which of the following fractions can be used in the conversion of 1450 cm3 to the unit km3? fraction cubed: one meter over ten to the negative second power cm one mL over one cubic cm fraction cubed: one km over ten to third power cm fraction cubed:

What is 5 & 3/4% as a decimal

A man wishes to have a rectangular shaped garden in his backyard. He has 84 feet of fencing with which to enclose his garden. a) Write an expression for the perimeter of the garden. b) The area of the garden is A = l*w.

The area of a duck enclosure is 300 square feet, with 100 square feet occupied by a pond. Each duck in the enclosure needs more than 20 square feet of space on dry land.

The building site is 90 metres long and 45 metre wide. what is the area of the site

If a person walks 1/2 mile in 1/4 hour, how far does that person walk 1 3/4 hours at that rate?

Mason used 1/6 of a gram of honey to make 1/10 of a pan of pudding. how many grams of honey are needed per pan pudding

Solve 6x-10 (x+12) = -4x-24 Show your work.

A wall is to be painted. A small rectangle in the middle of the wall will remain white to use for a projector. Find the area of the shaded region that will be painted.