What is a slope of a line parallel to the line whose equation is Y - X = 5 A) -1
B) 1/5
C) 1
D) 5

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

y - x = 5 ( add x to both sides )

y = x + 5 ← in slope- intercept form

with slope m = 1

Parallel lines have equal slope, thus

the slope of a parallel line is m = 1 → C

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x