Which is a substance made up of only one kind of atom?

What is the volume of a cylinder with a high of 9 inches in the diameter of 8 inches use 3.14 to approximate pi to calculate the approximate answer. round the answer to a whole number.

Find the volume of a cylinder with a radius of 3" and a height of 12"

Consider circle y with radius 4 m and m angle xyz=80 degrees what is the approximate length of minor arc xy? a. 5.6cm b. 2.8cm c. 7.2cm d 14.4cm

What are the coordinates of the vertex of the graph of f (2) = 42+6|?

If you add the digits in a two-digit number and multiply the sum by 7, you get the original number. If you reverse the digits in the two-digit number, the new number is 18 more than the sum of its two digits. What is the original number?

Evaluate 3n + 18 for n = 3

Calcule: a) 64^ 1/2 b) 400^ 1/2 c) 8^ 2/3 d) (16/25) ^ 1/2 e) 100 ^ 0,5 f) 625 ^ 0,25 g) 32 ^ 1/5 h) (8/27) ^ 1/3

Gabriel is driving 80 kilometers in one hour. How many kilometers does he drive in 1.5 hours

Six times a number is greater than 20 more than that number. What are the possible values of that number? n less-than 4 n greater-than 4 n greater-than StartFraction 20 Over 7 EndFraction n less-than StartFraction 20 Over 7 EndFraction

Given: m ZA + m ZB = m ZB + m2 Prove: mZC = m ZA Write a paragraph proof to prove the statement.