During an outing, Katherine picked 20 more apples than Noah, and Ryan picked 60 more than Noah. Altogether, the three of them picked 239 apples. How many apples did Ryan pick?

If g(x) is an odd function, which function must be an even function?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3