During a sale, every item in a store is 80% of its regular price. 1. If the regular price of a T-shirt is $10, what is its sale price?
$10:100% so $?: 80% So what is the sale price? 2$
2. The regular prices of five items are shown here. Find the sale price of each item.
item 1
item 2
item 3
item 4
item 5
regular price
$.
$4
$10
$55
$120
sale price

What is [tex] {7}^{98 + \sqrt{4} } - 3 \times (64 \div 2 + 4 - 36) \times a = a + 36[/tex]?

This is so hard and it’s for a test

The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places