For each pair of numbers, decide which is larger without using a calculator. Insert < or > in the space below. Explain your choices.
Number
Write < or >
Number
Explanation
712
9
3.
V50
L
151
V8
V50
-21
-6

Write two subtraction equations that are equivalent to 5 + 12 = 17.

5(-9w) put expression in distributive property

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?