PLEASE HELP ITS HARD ALGEBRA I WILL MARK BRAINLIEST IF U GET IT RIGHT Estimate the solution to the following system of equations by graphing.

3x+5=14
6x-4y=9

A. (7/3, 7/2)
B. (4/3, 5/2)
C. (5/2, 4/3)
D. (-5/2, -7/2)

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

Which best explains why this triangle is or is not a right triangle?

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|