Ten less than a number is more than 30

What is the simplified form of x + 8/3x + 7 + x +7/x+4

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74