If a student is selected at random, what is the probability that the student receives aid (rounded to the nearest percent)? Please tell me how to do it.

Measures of the angle of r, 31 s (x+4) t (3x+9)

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

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