Simplify the following expression: (5x2 + 3x + 4) − (2x2 + 5x − 1). if the final answer is written in the form ax2 + bx + c, what is the value of a?

numerical answers expected!

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.