24)the temperature at the end of the day was 64 degrees the temperature had increased twice during the day once by 8 degrees and another time by 4 what expression shows what the temperature was at the start of the day

a)64-8-4
b)64 8-4
c)64-8 4
d)78 5 7

Need solving this second acceleration problem.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.