What gas important to life was absent from earth's earliest atmosphere?

A.

nitrogen

B.

methane

C.

oxygen

D.

carbon dioxide

How many times does 70 go into 632

A truck driver travels 495 miles in 9 hours. What is the driver's speed in miles per hour. A. 55 miles per hour B. 60 miles per hour C. 65 miles per hour D. 75 miles per hour

Vanessa bought 40 raffles tickets at her town festival. if 30% of the tickets were winners, how many were not winners?

The circumference of the circle is approximately 94.25 inches. the shaded region is 3/4 of the whole circle. Enter the area of the shaded region in the square inches. Round your answer to the nearest hundredth.

A cabin has room for 7 campers and 2 conselors. How many cabins are needed for a total of 49 campers and 14 counselors?

A sequence is an ordered list of numbers called

What is 8.52*10 to the third power in standard notation?

A bag holds 12 red marbles, 11 green marbles, 17 blue marbles and 5 yellow marbles. What is the probability that you will NOT choose a blue marble?

What the square root of 45?

What is the answer to 3x - (2x+4)