What is -1/2x + 3 - 4x + 5 + 3/2x simplified? i did the problem and i got 5x - 8. am i correct?

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why