Write a matrix to represent the following system

2x + 6y = - 12

5x - 5y = 10

Sam sells not necklaces for $10 each. Each necklace cost her $5 to make. She also has $5,000 in fixed costs per year for her jewelry business. how many necklaces must she sell in order to make a profit of $1,000 in one year?

An online T-shirt store is having a sale. The original price of each T-shirt is p dollars. The store sells 20 T-shirts and earns a total of (20p-60) dollars. a. Factor the expression using the GCF. 20p-60=

Lauren has five shells she found on the beach seashells represent one-third of the shells her whole collection how many shells does Lauren have in her whole collection

Jo says that you can use V=LxWxH or V=HxWxL to find the volume of a rectangular prism. Does Joe statement makes sense? Explain.

In a list of numbers, the pattern increases by 0.001 as you move to the right. If the third number in the list is 0.046, what is the first number in the list? Explain how you know.

Simplify | 4-9 | A) 13 B) 5 C) - 5 D) - 13

Plastic cups come in packages of twenty-four and straws come in packages of twenty. What's the smallest number of each that could be bought so that you had the same amount of cups and straws?

What is 12+2-8=6-12 = - 6 + 18

A ramp leading into a building makes a 15 degree angle with the ground. The end of the ramp is 10 feet from the base of the building. Approximately how long is the ramp? Round to the nearest tenth.

What is 7 hunderedths in simpilest form?