Answer:
They got a better deal.
Step-by-step explanation:
20% off of $825 is $660 which is higher than the other but with the rebate it is now $535 which is a better deal by $20
1 cubic foot of air at standard temperature and pressure assuming average composition weighs approximately 0.0807 lbs. This one doesn't have an answer that is exact or necessarily correct as air is a composite mixture of various gases and this mixture can change due to an enormous quantity of variables.
Replace X for2
Would be
3(2) 3-2(2) 2+ 6 * 3-4 * 2+ 6(2) -5
3(2)= 6 * 3-4 * 2+ 12-5
Final answer is 17
To multiply a number by 10^-4, move the decimal place to the left four place values.
Final answer: 0.00068