Find the surface area of the solid figure.
Also I will give Crown for ever answers I need it ASAP

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y