Answer:
112x-420
Step-by-step explanation:
(5x + 9) (8x - 30)
distribute 5x into (8x-30)
then same with 9 into (8x-30)
then combine like terms and u will get da answer
hope this helps with da pic dat i attach
Answer: 9%
Explanation:
To convert a decimal to a percent, move the decimal point two spaces to the right.
Answer:
6.21 times more
Step-by-step explanation:
Assuming 2.04 x 10^11 was only a typo
you would need to first equal the powers of 10
so 20.4 x 10^10 and 3.28 x 10^10
now that they have the same powers

if it's asking for how many times i would approximate it to 6.21 times more
Multiplying -15 by 60 yields -900, so the amount of water in the pool changes by -900 gallons in one hour.