Choose the equation that matches the graph.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Solve the problem.The position of an object moving in a straight line is given by s = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 19 feet?
A. 9.7 sec B. 9.9 sec C. 20.0 sec D. 20.9 sec
Mathematics
Use the Heron's formula to find the area of the triangle. Round your answer upto two decimal places. ? a = 33, b = 36, c = 25 ?
A. 58.21 B. 353.71 C. 450.18 D. 564.33 E. 399.04
Mathematics
Simplify.-8(3r + 3) + 6(5r + 2)
A. -5r - 5 B. -48r C. 6r + 3 D. 6r - 12
Mathematics
Find x.log3 x = log3 7
A. x = -7
B. x = 
C. x = 3
D. x = 7
Mathematics