Solve by factoring and using the principle of zero products.4x2 - 28x + 48 = 0
A. 4, 3, 4
B. -3, -4
C. 3, 4
D. 0, 3, 4
Answer: C
Mathematics
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Solve the problem. Express your answer in scientific notation, and round to one decimal place. The speed of light is 1.86 × 105 miles/second. How far can light travel in one hour? Round to one decimal place.
A. 6.7 × 10-8 miles B. 6.7 × 108 miles C. 6.7 × 106 miles D. 6.7 × 109 miles
Mathematics
Perform the indicated operation.4
(
+ 
)
A. 4
+ 7
B. 4
+ 7
C. 4
+ 28
D. 28
+ 28
Mathematics
Use reference angles to find the exact value of the expression.tan 
A. 1
B. 
C. -1
D. 
Mathematics
Solve the problem.The following test scores were recorded for a student: 77, 74, 72, 71, 80, 76. Find the mean, median, and mode.
A.
| mean: 75 | median: 71 | mode: 80 |
B.
| mean: 76 | median: none | mode: 80 |
C.
| mean: 75 | median: 75 | mode: none |
D.
| mean: 74 | median: none | mode: none |
Mathematics