Find the exact value of the expression.csc 
A. 
- 
B. 
C. 
+ 
D. 
- 
Answer: D
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After descending 30 feet, a scuba diver paused to check his equipment before descending an additional 80 feet. Use a signed number to represent the diver's final depth.Final depth = __________ feet
Fill in the blank(s) with the appropriate word(s).
Factor the sum of cubes.512s3 + 216t3
A. (12s + 6t)(64s2 + 36t2) B. (8s + 6t)(64s2 + 48st + 36t2) C. (8s + 6t)(64s2 - 48st + 36t2) D. (8s - 6t)(64s2 + 48st + 36t2)
Divide. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.2
A. 2.45
B. 2.4
C. 2.
D. 2.
Provide an appropriate response.Ben drove his car 540 kilometers in 6 hours while he was on vacation in Italy. He was trying to estimate how far he could drive in 8 hours the next day so he set up the following proportion: 
Explain why this proportion will not give him the correct answer.
What will be an ideal response?