Solve the system using addion

7x+2y=-13

-7x+y=25

B=2.35 + 0.25x c=1.75+0.40x In the equations above, b and c represent the price per pound, in dollars, of beef and chicken, respectively, x weeks after July 1 of last summer.

Segment XY represents the path of an airplane that passes through the coordinates (2, 1) and (4, 5). What is the slope of a line that represents the path of another airplane that is traveling parallel to the first airplane?

Half the sum of a number and 6 is no less than 12 inequality

Which sentences represent the inequality? Check all that apply. 2.1 + (-1.2x) ≥ 8 The sum of 2.1 and - 1.2 times a number is at least 8. The sum of 2.1 and - 1.2 times a number is no more than 8. The sum of 2.1 and - 1.

A local little league has a total of 95 players, of whom 40% are right handed. How many right handed players are there?

The side length of an equilateral triangle is 20 centimeters. Find the length of altitude of the triangle.

An airplane traveled 3900 miles in 12 hours, How many miles did the airplane travel per hour?

Is 20% the correct answer? Megan's resting heart rate (RHR) is 90 beats per minute. She knows that a lower RHR is a sign of a healthier cardiovascular system. Her goal is to have a RHR of 72 beats per minute.

3 more than w divided by 7 is 9

A meter is a unit of length approximately equal to 39.37 inches. if someone is 1.98 meters tall what is their approximate height in inches