The price of a gallon of unleaded gas has risen to $2.85 today. Yesterday's price was $2.80. Find the percentage increase. Round your answer to the nearest tenth of a percent.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.