Combining oxygen with hydrogen in a fuel cell produces water and energy that can power a car. how many grams of hydrogen must be added to 800 g of oxygen to produce 900 g of water?

You have three $1 bills, four $5 bills, and two $10 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random. Find P ($5 then $10).

What is 13*13& 12*19& 19*62

4x+5y=-35? A) y=-4/5x-7 B) y=1/5x-7 C) y=-7x+1/5 D) y=7x+1/5

Two angles that are complementary are congruent. Determine whether the following Statements are always sometimes or never true. explain.

Estimate the sum by clustering 8.3 + 7.9 + 8.11 + 8.35 + 7.65 + 8.1.

Find the value of f (-8) if:f (x) = 12x-29

How to explain that x/y can result in either a positive or negative quotient

Simplify 2a2b3 (4a2 + 3ab2 - ab) = ? A. 8a4b3 + 6a3b5 + 2a3b4 B. 8a4b3 + 6a3b5 - 2a3b4 C. 8a4b5 + 3a3b5 - 2a3b4 D. 8a4b5 + 3a3b5 + 2a3b4

If m squared minus 5 over 2 m equals negative 11 over 2 what does m equal

Complete the number sentence to show an example of the distributive property 3x6