Which pair of equations represents two perpendicular lines?

A. y=-7/8x+3 and - 7y=-8x

B. 8y=3x+40 and y=8/2x-1

C. 5y=15-2x and 2/5x-4=y

D. y=9x+3 and y=9x-1/3

A random survey asked two samples of 100 high school students how much time they spend on homework each night. A 4-column table with 2 rows. Column 1 has entries Sample 1, Sample 2. Column 2 is labeled 0 to 30 minutes with entries 38, 41.

The center of the circle that can be circumscribed about a scalene triangle is located by constructing the

The function d (x) represent the distance traveled by a train traveling 80 mph during t hours after 1:00 pm. what does d (5) - d (2) represent?

Nor has a piece of ribbon that is 3/4 yard long. She will use 1/2 of it to make a bow. what length of the ribbon will she use for the bow?

6. Assume $20,000 is deposited into a saving account. Bedford Bank offers an annual rate of 1% simple interest for 5 years. Slick Bank offers a rate of 5.1% simple interest for 1 year. Which earns more interest?

2x+3y=12 how do I solve?

Why is b ≠ 1 a condition for f (x) = abx (x is a exponent i cant put it for some reason) ?

The price of a bag of candy is q linear function of the amount of candy in the bag. A bag containing 25 pieces costs $0.99 and a bag containing 100 pieces costs $3.99.

Alonso paid for repairs on his car, and 3/5 of the bill was for labor costs. How much was the total bill if the cost of the labor was $79.50? Let b = the amount of the total bill. Which equation and solution is correct?

Which graph shows the inequality y<2