Bill earns £10.50 per hour for the first 20 hours, time and a half for the next 4 hours and double
time after that. How much would Bill earn if he
worked 30 hours?
HELP.

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

What is the number 321,000,000 in scientific notation? also what is the number? ?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)