25 points, please help If a and b are real numbers such that a<b, use interval notation to write 3 different intervals having a and b as endpoints. Describe in a sentence what numbers each interval uses.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

How many 2/5s are in 1 and 1/2 plz someone me right now

What is the product of (4x + - 5)? a) -8x^2 - 26x - 15 b) -8x^2 + 26x - 15 c) -8x^2 - 26x + 15