Which of these divisibility rules can be applied to determine if 315 is a prime or composite number?
a a number is divisible by 4 if the last two digits are divisible by 4.
b none of these rules can be applied because 315 is a prime number.
c a number is divisible by 9 if the sum of its digits is divisible by 9.
d a number is divisible by 6 if it is divisible by 2 and 3.
awnser

wil give

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.