What is the solution to this system?

-4x + 0.4y = - 0.8

6x + 0.4y = 4.2

32k-26k+k=? what is the answer to this?

Can you give me a word problem that can be solved by finding the difference of 432,906 and 61,827.

Ben invests $450 in a savings account that earns 3% simple interest annually. If he does not make any additional deposits or withdrawals, how much money will be in the savings account after 2 years?

Simplify. Remove all perfect squares from inside the square root. square root 112a^6

The area of egypt is 386,700 square miles. the area of wyoming is about 97,818 square milesegypt is about how many times as large as wyoming? explain how you solved the problem

If you want to make 2 1/2 Batches of cookies and you need one and 1 2/3 cups of flour per cookie batch how much flower do you need

About 2% of the population has a particular genetic mutation. 600 people are randomly selected. find the standard deviation for the number of people with the genetic mutation in such groups of 600. round answer to 4 decimal places.

A used bookstore will trade two of its books for three of us and they'll brings and 18 books to trade how many books can she get from the store

A parking lot is 119.0 m long and 40.40 m wide. what is the perimeter of the lot?

A class is made up of 12 boys and 3 girls. Half of the boys wear glasses. A student is selected at random from the class. What is the probability that the student is a boy with glasses?