Brittany's family is driving at a speed of 45 miles per hour. if x represents the distance they have traveled and y represents the time they been traveling, which of the following equations shows the relationship between x and y?
x = 45 + y
y = 45 + x
x = 45y
y = 45x

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.