Một chiếc xe hơi đang chạy ở vận tốc 88 / ft s thì tài xế đạp thắng để tránh một đứa bé. Sau t giây kể từ lúc đạp thắng, chiếc xe cách vị trí đạp thắng là: s t t t ( ) = − 88 8 2 . Hỏi từ khi đạp thắng đến khi xe dừng
hẳn là mất bao lâu và xe đi thêm được một quãng đường bao xa?

Jack is considering a list of features and fees for denver bank. jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements?

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?