Please answer this correctly without making mistakes

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Select the lengths in centimeters that would form a right triangle

The suare root of 9x plus 7 plus the square rot of 2x equall to 7