Lucita works at a bookstore and earns $9.50 per hour. she works 3 hours on friday and 7 hours on saturday. which expression does not represent her wages for those days? a) 9.5(3+7) b) 10(9.5) c) 9.5(3)+9.5(7) d) 9.5(3)(7)

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?