Solve the problem.It takes 11 hours for 6 people to paint a house. How long will it take 3 people to do the job?
A. 5.8 hr
B. 5.5 hr
C. 24.2 hr
D. 22 hr
Answer: D
Mathematics
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Evaluate the expression.77764/5
A. 279,936 B. 1,679,616 C. 1296 D. 10,077,696
Mathematics
If?ABD ? ?CEB then two pairs of triangles are congruent in this figure. Give both of them and state which congruence principles apply and why.
Mathematics
Solve the system by the substitution method.x + y = -1x2 + y2 = -4y - 3
A. {(1, -2), (2, -3)} B. {(-2, 1, (-3, 2)} C. {(-1, 0), (-2, 1)} D. {(0, -1), (1, -2)}
Mathematics
Write a cryptogram by assigning a number to each letter in the alphabet such as 1 = A, 2 = B, 3 = C and so on (with 0 assigned to a blank space) for the message "TWO IF BY LAND" using the following matrix.
?
?
A. ?
| -13 | -11 | 12 | -4 | 10 | -10 | -38 | 12 | 3 |
| -15 | -3 | 9 | -27 | 23 | 2 |
B. ?
| -4 | 10 | -10 | -38 | 12 | 3 | -15 | -3 | 9 |
| -27 | 23 | 2 | -13 | -11 | 12 |
C. ?
| -27 | 23 | 2 | -13 | -11 | 12 | -4 | 10 | -10 |
| -38 | 12 | 3 | -15 | -3 | 9 |
D. ?
| -15 | -3 | 9 | -27 | 23 | 2 | -13 | -11 | 12 |
| -4 | 10 | -10 | -38 | 12 | 3 |
E. ?
| -38 | 12 | 3 | -15 | -3 | 9 | -27 | 23 | 2 |
| -13 | -11 | 12 | -4 | 10 | -10 |
Mathematics