Marked brainliest if correct. michael is 3 times as old as brandon. 18 years ago, michael was 9 times as old as brandon. how old is michael now?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse