Asubmarine starts at a positive related to see level of -45 m. the sub marine then changes its position at a rate of -6 m/m. what is this some marines position after seven minutes

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?

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3