{1,3,5,7,9,11} find the subsets and proper subsets

Given abcd ac=38 and ae=3x+4 find the value of x

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)