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a card traveled a distance of 124 miles in 2.5 hours . find the speed of the car.

H(x)=4x2-5x h(-3) what is the answer?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?