Coaches carry 58 people. A school decides to take its 300 pupils and 38 staff on a visit to the beach. A single coach costs £128. How much will the total cost of the coaches come to? Please can I have the working out and number sentence.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11