Air contains nitrogen, oxygen, hydrogen, and carbon dioxide as important constituents.

Which is the limiting reagent in the combustion reaction of propane in air?

A) Nitrogen

B) Oxygen

C) Propane

D) Carbon dioxide

Hugh made a list to show all the factors of 60. Which of the following is Hugh's list? 1. 10, 10, 10, 10, 5, 5, 5, 5. 2. 1, 3, 4, 5, 6, 10, 12, 15, 20, 30. 3. 1, 2, 3, 4, 5, 7, 10, 14, 15, 20, 30, 60. 4. 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 60.

Find the vertex. y = 3x2 - 12x + 1

Magic Carpet charges $90 for installation and $9 per square yard of carpeting. The Carpet's King's installation price $50 but the store charges $13 for each square yard.

Arthur left his job at 5,4 on a coordinate map and walked to his house at 5,-6. Each unit represents one block how far did arthur walk?

Which expression is equal to the expression below? (7*2) ^7 A. 7^7*2^7 B. 9^7 C. 7^7+2^7 D. 7 * (7*2)

A triangle has sides with lengths of 60 yards, 63 yards, and 87 yards. Is it a right triangle? Yes or No

The squirrel stored seven more than three times as many nuts as the chipmunk. The chipmunk stored x acorns. Write an expression that shows how many acorns the squirrel stored.

The same sequence may be defined in three ways: 1) f (x) = 6x + 5 for x = {1, 2, 3, ... }, 2) a1 = 11 and an + 1 = an + 6 for n = {1, 2, 3, ... } and 3) an = 11 + 6 (n - 1) for n = {1, 2, 3, ... }.

A cell phone plan has a monthly cost that is shown in the table below. What is the correct statement regarding the average rate of change during the 40-minute time of talk?

Jay simplified the expression 3 * (3+12:3) - 4. For his first step, he added 3+12 to get 15. What was Jay's error? Find the correct answer