2. For a field trip, one class buys 5 adult bus tickets and 23 student tickets for $33. Another class buys 5
adult and 19 student tickets for $29. What is the cost of an adult ticket and of a student ticket?

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

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?