The first side of a triangle has length 3y + 5. The second side's length is y - 4. The third side's length is 6y. Write the perimeter in simplified form.

What is 20+(5 x 2/5 )+ 3 show your work

What is the area of the triangle 10 13 12

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