Martina runs 4 miles in 30 minutes. At the same rate, how many miles would she run in 48 minutes?

Could somebody me with this radical simplification?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85