Amachine worked for 5 hours and used 4 kilowatts of electricity. the machine used of a kilowatt each hour it worked.
what goes in the blank?

The deck that kenneth is building is in the shape of a parallelogram abcd the measure of angle c is one third the measure of angle b find the measure of each angle of the deck

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

What is the probability of rolling a single die greater than 4