Simultaneous equation 2x-Y= -1 x-2y=4​

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?

Which rational number could be graphed between -4 and -5

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?