solve by elimination 6x-7y=8 - x-4y=-9

What is - 4 (7+10) - 2v+4v

I'm a batch 280 water purifiers 12 were found to be defective what is the probability that a water purifier chosen at random will be defective

You roll a 10-sided die with the sides numbered 1 through 10. What is probability you will roll a number less than 4?

The price of a taxi is equal to $2 more than the product of $0.75 and the number of miles traveled? Price of taxi is $2.75 what is the price of a taxi ride that is 12 miles long?

How do you solve this for math - 9/8+9/8

A window box shaped like a rectangular prism has a length of 12 feet, a width of 9 feet, and a height of 9 feet. If one bag contains 2 cubic feet of soil, how many bags of soil must you buy to fill the window box? If each bag of soil costs $4.

A woodworking artist makes two types of carvings Type X and type Y he spends 2 hours making each type X carving and 3 hours making each type y carving and he can spend up to 30 hours each week making carvings his materials cost him $6 for each type

A 20-foot ladder is leaning against the side of a building. The ladder makes a 60 angle with the building. How far away from the bottom of the building is the foot (bottom) of the ladder?

Divide £250 to ratio 3:6:1

Let f (w) = 2w^3 - 5. Let z = 2. What is f (z) ?