elisa

A 5% alcohol solution is mixed with 15% alcohol solution to make a 25mlof a 9% solution. How much of each alcohol solution is used?

in a school of 100 students, 59 are taking math, 51 are in english, 35 are in history, 24 are in both math and english, 19 are in both english and history, 13 in both math and history, and 11 in all three courses. how many students are taking: a) none of...

I must provide a historical overview of the evolution of U.S. cities from colonial times to the present. could you please provide me with a starting point and some web resources. thanks.

At 3:00 pm the temperature was 2* below zero. It then fell 4* in the next 2 hours. what was the temperature at 5:00pm?

Tell whether (3,5) is a solution of y=5x−10. yes no

What is greater 5\8 or 2/3

An autographed baseball rolls off of a 1.1 m high desk and strikes the floor 0.15 m away from the desk. How fast was it rolling on the desk before it fell off? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s

Tuesday May, 16 2016 Thank u for helping me wen I forgot how for homework ♡♡ :-D ;-)

Samuel Worthy earns both $7.25/hour and a 10% commission on all sales. During the most recent week, he worked 42 hours and made total sales of $11,000.

Use these three equations: vi is initial velocity vf is final velocity a is acceleration t is time d is distance vf = vi + at d = vit + 1/2 (a)(t^2) vf^2 = vi^2 + 2ad