Answer:
5 + - 6
Step-by-step explanation:
Note a + (- b) = a - b, thus
5 + - 6 = 5 - 6 = - 1 < 0
Thus is a counter example to the sum of 2 numbers ≥ 0
Answer:
Percent markdown = 14%
Step-by-step explanation:
Given:
Original price of DVD player = $175.90
Markdown price of DVD player =$153.77
To find percent markdown.
Amount of mark down 
Percent markdown 
Answer:
16
Step-by-step explanation:
7x+14=6x+30
Move x into one side and whole numbers to the other.
Solve like linear equation.
7x+14=6x+30
7x-6x=30-14
x=16
Answer:
6.18p
Step-by-step explanation:
Answer:
slope = -4/5 and y-intercept = -9/5
Step-by-step explanation:
make y the subject of the formula