Please help with this!! i already did a bit idk if its right tho

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

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

What is the rate for one gallon of gasoline