Solve using the quadratic formula. If the equation has no real solutions, write "no real-number solutions."x2 - x = 30
A. -5, -6
B. 5, 6
C. -5, 6
D. no real-number solutions
Answer: C
Mathematics
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Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 5°
A. -1.00 B. 1.00 C. -0.28 D. 0.28
Mathematics
Graph the line containing the point P and having slope m.P = (-9, -10); slope undefined 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Each box of matches contains 240 matches. Boxes of matches are shipped in cartons. Each carton contains 15 boxes of matches. How many matches are in each carton?
A. 360 matches B. 255 matches C. 16 matches D. 3600 matches
Mathematics
Which frequency table best describes the data displayed in the frequency histogram?
?
?
A. ?
| Score | Frequency |
| 30 | 2 |
| 35 | 8 |
| 40 | 20 |
| 45 | 4 |
| 50 | 14 |
B. ?
| Score | Frequency |
| 1 | 60 |
| 4 | 70 |
| 10 | 80 |
| 2 | 90 |
| 7 | 100 |
C. ?
| Score | Frequency |
| 60 | 1 |
| 70 | 4 |
| 80 | 10 |
| 90 | 2 |
| 100 | 7 |
D. ?
| Score | Frequency |
| 30 | 1 |
| 35 | 4 |
| 40 | 10 |
| 45 | 2 |
| 50 | 7 |
E. ?
| Score | Frequency |
| 60 | 2 |
| 70 | 8 |
| 80 | 20 |
| 90 | 4 |
| 100 |
Mathematics