9. Which pair of equations below represent perpendicular lines?

A) Y = 7/8x + 12 and y = - 8/7x - 8

B) Y = 5x + 15 and y = - 5x + 15

C) Y = 4x + 9 and y = 4x - 9

D) Y = 9 and y = 18

A linear regression equation is calculated for a sample of n = 20 pairs of X and Y values. What would be the df value for the standard error of estimate? A) 19 B) 18 C) 2 D) 1

Coefficient and term of 8x-20y-10

Find the quotient. 28 over 0

How could you predict that Jermaine's answer might be incorrect using your estimate

The function 3 (2) t models the number of leaves on a plant, where t represents the number of weeks since it was planted.

John and Rebecca are making flags. They can choose from 4 background colors: Blue, Red, Yellow, and Orange. On top of that they want to see a leaf, which can be either Teal, Green, or White. How many different flags can they make?

Negative three sixth minus five sevenths.

Find the product. (p+5) (p-2) A. p2-3p B. p2+7p-10 C. p2-10 D. p2+3p-10

In order to pay bills using your checking account, you can only use a check or your debit card. You cannot set up online payments. true or false

Julie went shopping at the mall for a new pair of jeans. She saw a pair at Hollister that was marked $50 with a 40% discount. She saw a pair at Abercrombie that was marked $40 with a 20% discount.