How do I do this question

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

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