the quantity Z varies jointly with w and y inversely with X when w equals -1 y equals 4 + x equals 2 + z equals 14 what is the value of K the constant of variation​

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?