A group of friends went to lunch. The bill before sales tax and tip was $37.50. A sales tax of 8% was added. The group then tips 18% of the amount after the sales tax was added. what was the amount in dollars of the sales tax?

What is the exact volume of a cylinder that has a height of 4.9 yd and a radius of 2.2 yd? yd3

A complex fraction is equal to a number less than 1 if the denominator is greater than ...

How do you solve this differential equation: 6y'+y*cosx=cosx

A number is doubled and then decreased by 13. the result is 61. what is the ordinal number?

The coordinates of triangle FGH are F (2, 4), G (5, - 9) and H (-3, - 4). Which statement proves that triangle FGH is a right triangle? (m = y2 - y1 x2 - x1) A) The slope of GH = 5 8, and the slope of FH = 8 5; therefore, GH ⊥ FH.

What 2divided by one third is

What is the average between 10,0,2,4

A rectangular room has an area of 425 square feet. one dimension is 8 feet more than the other. find both dimensions of the room.

Determine whether the equation represents a direct varation. if it does, find the constant, find the constant variation. 2y = 5x1

What is the height of a tringle whose area is 4 square meters and whose base is 2 1/2 meters