Find the total area of the shape below. Use 3 for pi. (Answers include: A=46.5 sq. cm, B=52.5 sq. cm, C=38 sq. cm, D=60 sq. sq)

Is a positive integer raised to a negative power always positive

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders