Solve the system of the linear equation by adding or subtracting.

7x - y = 9

7x + 2y = 24

What is 150% in word form

Half angle tan 5pi/8

Find x and y intercepts of the graph of y equals 1/4 x - 2

6. A 25 mL container of chlorine gas has a temperature of 320 K. It is heated to 620 K. What volume will it then occupy

In Module 1 you drew a plot of the heat distribution over a steel plate, given by u (x, y) = 8Oy2e-r2-0.3y2 Plot this surface over the domain - 2.1

A standard chemistry examination administered nationally by the American Chemical Society has a mean of 500 and a standard deviation of 90.

A car experiences an average acceleration of 5.00 km/hr/s for 3.50 sec. What is the change in velocity of the car? 1.4 km/hr 17.5 km/hr 87.5 km/hr 87.5 km/s

How many vertices has a closed cone? a. 1 b. 2 c. 3 d. 4

Nellie is buying bird seed to put in her bird feeders. She uses about 10 pounds of bird seed each week, but has room to store any extra that she purchases. The bird seed comes in 3 different sizes as given below: 3.5 pounds for $2.52 7.

Daslyn has a piece of rope 2.085 meters long and another piece 2.63 meters long. Which piece can she cut to make a piece that is 2.5 meters long?