Ariel's bill for brunch at a restaurant was $76. she left a 15% tip. what was the amount of the tip?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no