Austin correctly answered 92% of the questions on a geography quiz. Liz answered 47 of the 50 questions correctly

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers