Answer:
exponent. eg: 2³ - 2 is the base, 3 is the exponent
45
Step-by-step explanation:
<ABY=<ZBY(VERTICAL ANGLES)
SO.
3x-5=2x+40
3x-2x=40+5
x=45
<u>The interior and exterior angles are supplementary:</u>
it would take them 5 hours and 70 seconds