The original price of a barbecue grill is $79.50. The grill is marked down 15% what is the sale price of the grill?

What is 5/6 x 3 1/2 in fractions

Explain quantum physics and math

25-x^2/5x+x^2 lim x - 5

The cost C (in dollars) od making n feet of cabinet is represented by C = 18n + 45. How many feet of cabinet are made when the cost is $441?

A mixture of 10% acid and 90% water is added to 5 liters of pure acid. The final mixture is 40% water. How many liters of water are in the final mixture?

If the perimeter of A rectangle is 70" in and the length is 11" in more than its width find the area of the rectangle

What is the output of the following function for x = - 4? F (x) = 3x^5 + 4x^3 - x + 11

6sixths is how many thirds?

7/8 + 3 4/6 evaluate the expression

One cold night the temperature was 0 degrees at 8 p. m. The temperature dropped at a constant rate from 8 p. m. to midnight. At midnight the temperature was - 16.8. What was the temperature at 9 p. m.?