2.) Jolyn received a pair of shoes amounting to P850,00, a pair of stocks amounting to P45.95 and a shirt amounting to P250.00 during his
birthday. How much was the total amount of his gifts?​

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

Which of the following is the sum of 3 1/6 + 6 3/8?