How do we know that it's a parallel line

Simplify the algebraic expression. (-2x - 9) (-4)

At the county fair, Darius can purchase 3 candy apples and 4 bags of peanuts for $11.33. He can purchase 9 candy apples and 5 bags of peanuts for $23.56. Darius decides to purchase 2 candy apples and 3 bags of peanuts.

Alex earned $20. He earned 1/4 of the amount Rob earned. How much did Rob earn?

A horse ran 800 meters in 40 seconds 1200 meters in 60 seconds and 480 meters in 24 seconds is this a proportional relationship? What dose it represent? If, so what is the constant of proportionality? What dose i represent?

For a Fundraiser, the basketball team is selling 75 wristbands for $3 each. The wristbands cost a total of $37.50. If they sell all the wristbands, how much profit will be raised by the team?

Five members of the football team and five members of the track team ran the 100-meter dash. Their times are listed in the table below: Football Track 12.5 12.4 13.4 11.6 12.2 11.5 11.5 12.4 14.1 13.

In a survey, 27 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $31 and standard deviation of $3. Construct a confidence interval at a 99% confidence level.

Which of the following expressions are equivalent to 3/11

Wholesale: $17.25 percent markup: 60% find the sale price

What are complimentary lines