What is the value of r In the equation 5r=-40?

Solve this system of equations using any method. 2x - y = 5 4x + y = 7

Combine the like terms of 9y+3+y-2+5

C = k - 273.15 (a) Write two other related equations. (b) If the temperature is 23 in degrees Celsius, what is the temperature in kelvins? Show your work. (c) Which is greater, 300 kelvins or 25 degrees Celsius? Show your work.

0.0009999 closest to 0, 1/2, 1

Which linear inequality represents the solution set graphed? A) 3y + 2x < 9 B) 3y + 2x > 9 C) 3y - 2x < 9 D) 3y - 2x > 9

How many water glasses are in a 17oz bottle?

The wheels of a car lock up and it skids 15 m. If it goes 3 times the speed it was going on the same road and under the same conditions, how far will it skid if it's wheels lock up again? A. 26 m b. 45 m c. 90 m d. none of the above

An observer in a lighthouse 350 ft above sea level observes two ships directly offshore. The angle to the shore are 4 and 6.5 degrees.

What number must you add to complete square? x2+10x=8 answers A. 10 B. 15 C. 25 D. 5

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