Sales tax in pennsylvani is 65. carlos bought a mountain bike that costs 125.50 before tax what was the cost of the new bike including sales tax

What number should be added to both sides of the equation to complete this square? x^2-10x=7

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]