. Ben is taking an admissions examination. If he has to get at least 54 of the 58 questions right to pass, what percent of the questions does he need to answer correctly?

The conversion factor relating feet to meters is 1 ft=0.305 m. keep in mind that when using conversion factors, you want to make sure that like units cancel leaving you with the units you need. you have been told that a certain house is 164 m2 in area. how much is this in square feet?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.