Aparticular car has a fuel efficiency of 8 liters of gasoline per 100 kilometers. what is the fuel efficiency in miles per gallon? round to the nearest integer

Aparallelogram has two side lengths of 5 units. three of its sides have equations y = 0, y = 2, y = 2x. find the equation of the fourth side.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.