Customers at an ice-cream shop took a survey. The results showed that 144 customers rated the shop as being very satisfactory" This number represented 45% of the total number of customers who took the survey
What was the total number of customers who took the survey?

A 189
B 65
C 99
D 320

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean