Translate the following statement into algebraic expressions and simplify if possible : John's age 4 years ago, if he will be y years old in 5 years.

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

What is the total surface area of this square pyramid?

In the geometric progression –3, 12, −48… what term is 3,072?