Solve for x. Write the smaller solution first, and the larger solution second.
3x2 + 36x + 81 = 0

The sum of two numbers is 86, and their difference is 20. find the two numbers

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

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?