Which expression represents 9 less than a number?

9n

n - 9

9 - n

n - 9n

A number x multiplied by 3/8 is 5/12

Two numbers have a difference of 28. What is the sum of their squares if it is a minimum?

Mrs. Cook wants to give each of her 24 students the same amount of candy. If each package of candy has 36 pieces in it, how many packages of candy should she buy so that there will be none left over? 2 3 4 5

Lisa uses her hair dryer daily dryer uses 1500 watts. it take 10 mintes to dry her hair each time she uses it. how much would it cost to run her hair dryer for the week, at a cost of $.20 per kilowatt - hour?

Choose the true statement about*235

Given the net with dimensions below, find the surface area of the shape. 6 ст 3 cm 4 cm

Given the the sequence 3 + 8 + 13. obtain the common difference

What is the last two digits of 7 to the power of 2018. this is a past paper question

A 3 foot stick is broken into two pieces. The ratio of the two pieces is 5:7. How big are the two pieces

What is the pythagorean therum