A university’s freshman class has 10000 students. 2500 of those students are majoring in engineering. what percentage of the freshman class are engineering majors?

Could someone with number 1 and 2

Combine like terms to make a simpler expression 3z+z

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c.q-p d. p-q