Write the expression in simplest form. (-11/2x+3)-2(11/4x-5/2)

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

What are the domain and range of f(x)= -log5(x+2)