What is 9x^-1 as a fraction

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

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x