Timed test, answer asap.
a system of equations is given below. y=1/2x-3 and y=-1/2x-3
which of the following statements best describes the two lines?
a. they have the same slope but different y-intercepts, so they have no solution.
b. they have the same slope but different y-intercepts, so they have one solution. c. they have different slopes but the same y-intercept, so they have no solution.
d. they have different slopes but the same y-intercept, so they have one solution.

Find the quotient. 50a2 – 98b2 -5a +7b

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

How to use order of operation in 20 divide by 4 multiply 5 = 1