Evaluate the expression \dfrac{4^x}{2^x} 2
x

4
x

​
start fraction, 4, start superscript, x, end superscript, divided by, 2, start superscript, x, end superscript, end fraction for x=3x=3x, equals, 3.

2÷6+1/2 to the second power plus one

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15