PLSS HELP ASAP THE CROWN WILL BE REWARDED

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?