How can I find the answer for this equation 0.4x-0.1y=2

0.2x+0.5y=1

solve for x and y

If you have 516 divided by 8 what is the remainder

2/3? 1/5 which is it, or =

The cost of producing transistors decreases by 20% every year. If it currently costs $440 to produce a billion transistors, how much will it cost to produce a billion transistors in 7 years? If necessary, round your answer to the nearest cent.

Nino works at an hourly rate of $12.25 per hour and worked 46 hour last week. He earns overtime for hours exceeding 40 hours. She paid overtime at a rate of time and a half. What was her gross pay last week? A. $600.25 B.$663.50 C.$802.40 D.$845.25

What is the value of f (5) in the function below? f (x) = 1 : 24

Jamal and tia started riding to the mall with their bicycles. The mall is 3.5 km from Jamal's house. They stopped for a drink at a park after 2.25 Km. How much farther do they have to ride to reach the mall.

Luke made a model of a solid figure with one circular base and one curved surface with solid figure did he make

A cone is inscribed in a regular square pyramid. If the pyramid has a base edge of 6" and a slant height of 9", find the volume of the cone.

Solve for x. Must be simplified 15<-5x

Simplify the following expression. (3 + 8 x) + 7 x 3 + 15 x 18 x 18 + x 11 x + 7