Solve system of linear equations by substitution - 2x+9y=15

x+7=4

What is the slope of 2y-2x=2

How do I write words to match the expression (5 x 2) x (3 x 15)

While returning to the glider port Lucy descended for four minutes at a rate of 200 ft./min. how much altitude did she lose if her starting altitude was 2200 feet what was her Final altitude

A cash register contains $10bills and $20bilk with a total value amount of $340. If there are 23 bills total, then how many of each does the register contain?

A commercial jet and a private airplane flu from Denver to Phoenix. It takes the commercial jet 1.1 hours for the flight, and it takes the private plane 1.8 hours.

Simplify the following expression: - 7 (3e-2f+4) + 6e-2

Is 795cg greater then 17 gram

Round 3o713.517126 to the nearest hundred

Zeus Industries bought a computer for $2740. It is expected to depreciate at a rate of 24% per year. What will the value of the computer be in 3 years? Round to the nearest penny. Do not type the "$" sign in your answer

Solve for x: the quantity of x plus 4 over 3 = 2 A) 1 B) 6.5 C) 4 D) 3