Why do both ways of writing the numbers as tens and ones describe the same number

How many pounds are in 1 kilogram

What is the base of lnx^4?

Which value of x results in equal outputs for f (x) = 3x-2 and b (x) = x+2?

Simplify each expression by combing like terms - 12+3y-9

Challenge: How many flowers, spaced every 4 in., are needed to surround a circular garden with a 200-in. radius? Use 3.14 for. How much flowers are needed to surround the circular garden?

Por que es importante que los científicos desarrollen una forma de hacer los tejidos que se han construido en el sistema de suministro de sangre

5{-3.4k-7} + {3k+21}

How do u solve 131 + 16x = - 331 + 5x

What is 27 divided by 9?

A researcher believes that headaches can be relieved by drinking water flavored by mint leaves. So the researcher asks a group at the hospital to participate in a study in which the researcher gives half of the participants in the study just plain