A gas-filled balloon is released from the top of a tall building, and it rises. The following table shows the altitude A, in meters, of a balloon t seconds after release. Round your answers to one decimal place, if necessary.
t 4 6 8 10 A 65 73.8 82.6 91.4?
A: Complete a table of changes to show that the data are linear.B: Find a linear model for the data.C: How tall is the building from which the balloon was released?D: Plot the data along with the linear model you found in part B.
What will be an ideal response?
| Change in t | From 4 to 6 | From 6 to 8 | From 8 to 10 |
| Change in A | 8.8 | 8.8 | 8.8 |
?
B: 
C: It is 47.4 meters high.
D: The horizontal span is 0 to 10, and the vertical span is 60 to 100.
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, with s in quadrant I, and 
with t in 
A. 
B. 
C. 
D. 
Solve the equation.9x - (8x - 1) = 2
A. 
B. 
C. 
D. 
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which hour did the temperature increase the most?
A. 10 a.m. to 11 a.m. B. 12 p.m. to 1 p.m. C. 9 a.m. to 10 a.m. D. 1 p.m. to 2 p.m.
Solve the problem.Ryanne's imported car has a gas tank that holds 39 liters of gas. She filled her tank at the beginning of a trip and used 4 gallons during the trip. How many liters of gas remained in her tank at the end of the trip? Round your answer to the nearest hundredth if necessary.
A. 37.94 L B. 15.16 L C. 186.81 L D. 23.84 L