9x + 45 = 45

What is x?

A bookkeeper is posting to the accounts of a manufacturer of coffee. Their accounting software deals with weights in kilograms, but the company's handwritten accounts state that they have produced 21,560 pounds (lbs.) coffee this month.

In a room filled with 7 people, 4 people have exactly 1 sibling in the room and 3 people have exactly 2 siblings in the room.

6y - (3y+10) = 3y-10 How is it that it is 3y-10 not 3y+10?

Water flows at a steady rate from a tap. it takes 50 seconds to fill a 5 litre watering can from this tap. the rate of which water flows from the tap is halved. complete: 5 litres = ... cm³ (where the dots are I need an answer)

In a class, which data can be classified as qualitative? (1) age of students (3) shoe size of students (2) weight of students (4) hair color of students

What is 28; 50% increase

37 + (92:3) what does it equal?

260/500 in simplest form

Choose the correct simplification of the expression (8x^4y^3) 2

How many monkeys are in the world?