WILL GIVE BRAINLIEST Hiram has a total of 20 nickels and quarters. The value of the coins is $4.00.

a) )Write a system of equations that represents the number of coins he has

b) How many nickels and quarters does he have?

Which of the following properties can be used to show

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?