How do you calculate a 5% discount on a $49.95 CD player

Two lines are perpendicular. The equation of the first line is y=4x+1 which of the following cannot be the equation of the second line A) y=-1/4x-2 B) x-4y=-2 C) x+4y=2 D) 8y=-2x-5

A roller coaster holds a total of 30 passengers the ratio of males to females is 2:3. What are the linear equations required to get the answer?

You go to a school dance. There is an entrance fee, and there are slices of pizza for sale. After having 1 slice of pizza, you have spent a total of $6. After having 2 more slices of pizza, you have spent a total of $10.

4. Describe any patterns that you observe in the frequen (Vou observe in the frequency column

Will upvote if you explain on how I solve this problem?!! f (x) = 5 (2) x

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.