Use special right triangles to evaluate the expression.sec 30°
A. 
B. 
C. 
D. 2
Answer: B
Mathematics
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Find the exact value of the real number y.y = csc-1 (1)
A. 2?
B. 
C. 
D. ?
Mathematics
List all the factors of the number.66
A. 1, 2, 3, 9, 11, 22, 33, 66 B. 1, 2, 3, 6, 11, 22, 33, 66 C. 1, 2, 3, 4, 11, 16, 22, 33, 66 D. 1, 3, 11, 22, 33, 66
Mathematics
Complete the table.InputOutput16.5 × 1 - 0.8 =26.5 × 2 - 0.8 =36.5 × 3 - 0.8 =46.5 × 4 - 0.8 =
A.
| Input | Output |
| 1 | 6.5 × 1 - 0.8 = 6.7 |
| 2 | 6.5 × 2 - 0.8 = 7.7 |
| 3 | 6.5 × 3 - 0.8 = 8.7 |
| 4 | 6.5 × 4 - 0.8 = 9.7 |
B.
| Input | Output |
| 1 | 6.5 × 1 - 0.8 = 5.7 |
| 2 | 6.5 × 2 - 0.8 = 4.9 |
| 3 | 6.5 × 3 - 0.8 = 4.1 |
| 4 | 6.5 × 4 - 0.8 = 3.3 |
C.
| Input | Output |
| 1 | 6.5 × 1 - 0.8 = 7.3 |
| 2 | 6.5 × 2 - 0.8 = 13.8 |
| 3 | 6.5 × 3 - 0.8 = 20.3 |
| 4 | 6.5 × 4 - 0.8 = 26.8 |
D.
| Input | Output |
| 1 | 6.5 × 1 - 0.8 = 5.7 |
| 2 | 6.5 × 2 - 0.8 = 12.2 |
| 3 | 6.5 × 3 - 0.8 = 18.7 |
| 4 | 6.5 × 4 - 0.8 = 25.2 |
Mathematics
Solve for x.18x = 1
A. x = 0
B. x = 
C. x = 1
D. ?
Mathematics