Let x represent the number of hours you read a book and y represent the total number of pages you have read you can read 30 pages per hour

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20

Ashop has a sale that offers 20% off all prices. on the final day they reduce all the sale prices by 25% linz buys a ratio on the day. work out the overall percentage reduction on the price of the ratio

Suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a standard deviation of 2.6. find the probability that a given infant is between 14.8 and 25.2 inches long.