Highest common factor of 30 and 165

Lois and clark own a company that sells wagons. the amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w where hh is the number of hours worked and ww is the number of wagons sold.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Solutions for 2x+7 less than or equal to 3x-5