
Distribute

Combine like terms

Add 1 and subtract 6x from each side
0 = 12
The equation has no real solution
Answer:
They are all correct. Well done.
2 1/2 is in mixed fraction. So let's first make it into improper fraction.
(2*2 + 1) / 2 = 5/2
5/2 of 7.25 = (5*7.25) / 2 = 18.125
in short, 18.125 is the answer
Answer: A
Explanation do Pythagorean theorem and find the third side. Then do adjacent/hypotenuse.