Answer:
D
Step-by-step explanation:
The 30-60-90 triangle has the shortest leg as x.
If there is no x you have to use the 2x or 
I believe Aubrey played for 150 minutes
10 grams. If it was less than 5 you would round it to 0, if it was 5 of more, you would round it up to 10
To solve, lets convert the number so that they both have the similar exponents.

in comparing 20,000*10^-28 and 9*10^-28, we can see that one is nearly 2,000 times bigger than the other
20,000/9=2222
Answer= C
Answer:
In the second problem, the first fraction is less than the second fraction.
If you subtract a lesser number from a greater number, the answer is positive.
If you subtract a greater number from a lesser number, the answer is negative.
Step-by-step explanation:
Hope this helps
Sorry if it was late