What is the rate of change of y with the respect of x for 25x-4y=50

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?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°