HELP ASAP Polynomial 1: 3x2 + 4x − 3 Polynomial 2: x2 − 5x + 3
1. What is the sum of the two polynomials?
A) x2 − 9x
B) 2x2 − x
C) 4x2 − x
D) 4x2 − 9x

2. What is the difference when polynomial 2 is subtracted from polynomial 1?
A) 2x2 + 9x
B) 2x2 + 9x + 12
C) 2x2 + 9x − 6
D) 4x2 + 9x − 6

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Me. i can't figure out this question. give an explanation too. .