Nicole, Justin, and Shen have a total of $85 in their wallets. Shen has 2 times what Justin has. Nicole has $9 more than Justin. How much does each have?

Abag has more green balls than blue balls, and there is at least one blue ball. let bb represent the number of blue balls and let gg represent the number of green balls. let's compare the expressions 2b2b and b + gb+g. which statement is correct? choose 1

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?