For a fundraiser, the seventh grade class sells 45 submarine sandwiches. they collect a total of $150.75. what is the cost per submarine sandwiches

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

Harry is at the depot in dover and has deliveries to make in edinburgh, glasgow and aberdeen. from dover which of the deliveries is the shortest distance?

What is the domain of the step function f(x)=[2x]-1?