Y is inversly proportional to x when y is 7 x is 9 a work out the equation connecting x and y
b work out the value of y when x is 21
not a rush just one of those questions you know how to do but mathswatch says is wrong

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

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

What are the sotions to the quadratic equation 9x^2=4