Write the augmented matrix for the given system of equations.
A. 
B. 
C. 
D. 
Answer: C
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The following table shows the cubic inches C of air remaining in a leaky balloon t seconds after the leaking started.
t 0 3 6 9 C 828 717 621 402?
A: Explain in practical terms the meaning of 
.
B: Use the average rate of change from 
to 
to estimate at 
. Round your answer to two decimal places. C: Use your answer from part B to estimate the amount of air remaining in the balloon after 5 seconds. Round your answer to two decimal places.
What will be an ideal response?
Find the sign of the following.sec (-?), given that ? is in the interval (180°, 270°).
A. negative B. positive
Use an equation to solve the percent problem.What percent of 110 is 37.4?
A. 340% B. 0.34% C. 3.4% D. 34%
Complete the identity.
= ?
A. 2 sin (4?) sin (2?) B. cos (2?) C. 2 cos (4?) sin (2?) D. 2 sin (8?)