With at least one of these( i accept 1 answer if you have it; make sure you are 100% positive its correct though! )

someone already answered number 2!

see the attachment below. , every answer counts!

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=