Factorize completely the following algebra expression:

81x^4-16y^8

There are 8 students who have 3/4 of a cake will each student get if they spilt it evenly?

Can you guys explain how to find the sum of the two digit multiples of 11?

Evaluate the function g (x) = - 2x^2+3x-5 for the input values - 2,0, and 3.

Sophie pays m dollars to rent a car for the weekend. On the drive home, she buys $25 worth of gasoline. Her friend Melody pays for one-half the cost of the car rental only. Write an expression you could use to determine how much Sophie spent.

A 13 ft ladder is leaning on a tree is on the ground at a distance of 5 ft from the base of the tree. what is the distance, in feet, between the ground and the top of the ladder.

2.85 as a mixed number in simplest form

What is - 2b - 6 + 3b - 2 simplified?

An envelope from the post office is 3 inches wide with a total area of 30 square inches. what is the height of the envelope

Cone A has a radius of 12 inches and cone b has a radius of 30 inches. if the cones are similar and the volume of cone a is 48 ft3, then find the volume of cone b

Determine is possible or impossible a triangle with the angles 88 77 and 8