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?

Enter your answer in the box. 2.8 * 10? lb

What is a 25% decrease from 60

An equation for the depreciation of a car is given by y = A (1 - r) t, where y = current value of the car, A = original cost, r = rate of depreciation, and t = time, in years. The value of a car is half what it originally cost.

What is the surface area of a cube with 3 on each side in square millimeters?

Rock concert tickets are sold at a ticket counter. Females and males arrive at times of independent Poisson processes with rates 30 and 20 customers per hour.

Simplify the expression 3x (x-12x) + 3x^2-2 (x-2) ^2. which statements Are true about the process and simplified product check all that apply

Ilana needs d more dollars to buy a new scrapbook that costs $8.35. She has $4.88. Solve the equation $4.88+d=$8.35 to find how much more money Ilana needs.

How to write standard form of three million, sixty thousand, five hundred twenty

Answer the following regarding the letters in the word Minnesota a. Determine the ratio of vowels to consonants. b. What is the ratio of consonants to vowels? c. What is the ratio of consonants to letters in the word?

Work out the circumference of the circle with radius 2.5 cm

Lee buys 5 DVD's for $60. At this rate, how much woukd he bay for 3 DVDs? A:$10. B $30 C:36. D:$58