1. A payphone at a baseball stadium charges $0.65 for the first five minutes and $0.22 for each extra minute. You will get charged for an entire minute regardless of the portion of that minute you used. Find the cost of a 12 1 2 minute phone call.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7