A single tree produces about 2.6 * 102 lb of oxygen each year. The Amazon rainforest has about 3.9 * 1011 trees.

About how many pounds of oxygen are produced in the rainforest each day

What does 7 millions, 14 hundred thousands, 8 hundreds, and 2 ones equal?

What is the answer to a museum is having a promotion next friday. Every 5th visitor gets a free pencil and every 7th visitor gets a free magnet. which customer will be the 1st to receive a free pencil?

According to the properties of inequality, when should the inequality symbol be reversed when solving a two-step inequality in the form below? ax+b > c when a is positive when a is negative when b is positive when b is negative

A.) How many ways can you select 1 flavor of ice cream, 1 topping and 1 drink if there are 5 flavors of ice cream, 3 toppings and 4 drinks to choose from? B.) How many ways can you select a 4-digit passcode without repeating any digit? C.

How do you multiply fractions by improper fractions

What's the perimeter of a regular heptagon if one side measures 3 inches? A. 10 in. B. 11 in. C. 21 in. D. 18 in.

Can there be more than one ">"'s in one inequality?

The expression 0.036m^3/4 is used in the study of fluids. evaluate the expression for m = 46X10^4

Gina rented shoes, bowled 3 games, and bought 1 order of nachos. she used a coupon for 1/2 off the price of her bowling games. What was Ginas total cost before tax was added?

Explain what a gradient of 1 in 14 metres means, in terms of vertical and horizontal distances.