2x+3y=20

-2x+y=4

Solve algebraic

What is 82 divided by 8426

In order to obtain a sample of voters in Pennsylvania, a simple random sample of 10 counties is selected. From each of the selected counties, 10 precincts are chosen at random.

How to turn 1.15 as a decimal into a percentage

How do you graph exponential function f (x) = e^2x

Grant pays 10 cents per minute plus $5 per month for telephone long distance. Write an algebraic expression for m minutes of long distance calls in one month.

A 51 foot ladder is leaning up against a building. the top of the ladder reaches the wall at a height of 50 feet. How far is the bottom of the ladder from the building?

What is the decimal expansion of this fraction? 15/2

What variable is isolated

jeff bungee from a 8 story building. each story was 15 4/5 feet in height? how tall was the building?

The rectangular bar is connected to the support bracket with a 10-mm-diameter pin. The bar width is w = 70 mm and the bar thickness is 20 mm. Each side of the bracket has the same dimensions as the bar.