Simplify. Sqrt 36 - sqrt 121

A DVD normally cost $15 it is reduced to $9.75 and a sale how much is the percentage reduction a. 35% b. 54% c. 98% d. 42%

A differential equation is given. Classify it as an ordinary differential equation (ODE) or a partial differential equation (PDE), give the order, and indicate the independent and dependent variables.

Find P (rolling 3 or 4) with one number cube.

Ice sculpture originally has a height of 74 1/4 inches. The ice sculpture begins to melt and after several hours, the height has decreased by 5 7/16 inches. WHat is the current height of the sculpture?

One plane at 520 feet is ascending at a rate of 40 feet per minute, while another plane at 3800 feet is descending at a rate of 120 feet per minute. how long will it take the two lanes to be at the same altitude?

What is the value of a? a-2=3+6a over/divided by 3

Amid students in a certain Capstone group, 60% have taken Linear Algebra, 50% have taken Calculus 3, and 30% have taken both. What portion of the students ... a. did not take Calculus 3? b. did not take either Linear Algebra or Calculus 3? c.

If there are 1050 students in a school and the ratio of boys to girls is 9:5, then what is the number of boys in the school?

I need the equation for finding the height of a trapezoid!

3y = 2x-6 x + y = 8 Solve algebraically.