Aconcert started at 4: 30 p. m. and ended at 6: 15 p. m. how long what the concert?

a) 1 hour 15 minutes
b) 1 hour 45 minutes
c) 3 hours 15 minutes
d) 2 hours 45 minutes

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e