Consider the sets below.

a {x|x is a polygon}
b {x|x is a triangle}

which is true?

a ⊂ b
b ⊂ a
ac = b
bc = a

What is a rational number between 9.5 and 9.7

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