A pottery studio gives three-hour and five-hour ceramic classes for $30 an hour. if the studio has collected $6630 for a total of 54 classes, how many three-hour classes and how many five-hour classes were paid for?​

Which expression is not a polynomial?

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.