Simplify: (4x + 3 ) - (5x - 1)

Which function has the domain x> -11

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.