Please help theres two questions (-2x+8y-11)+(-3y-y+5) (A) what are the like terms in the two Linear expressions

(B) what is the sum of the linear expressions? Express your answer in simplist form. SHOW YOUR WORK. 100 POINTS
(-2x+8y-11)+(-3y-y+5)

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Ineed no it anyone can see this

Which of the following parabolas opens down?