Evaluate each expression. 12. |-2.3| 13. |4/13| 14. |-8 7/11| 7. sarafina had 34 out of 99 hits when she was at bat during the softball season. what was her batting average? 8. shiv and his friends are 3 1/6 pizzas. write this amount as a decimal. 15. there are over 2,700 species of snakes in the world. over 600 species are venomous. write the fraction of species that are not venomous as a decimal. write each fraction as a decimal. use bar notation if necessary. 1. 7/15 2. 8/18 3. - 8/12 4. - 6/7 5. 3 15/44 6. - 2 5/22

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe