Two glasses together contain 280 mlof water. the first glass contains 80 ml more than the second glass. how much water does the first glass contain?

The triangles are similar. what is the value of x? show your work.

How do i do this? i don’t understand

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1