Answer:
The correct answer is A) 5n = 3d and 3n + 6 = 2d + 4
Step-by-step explanation:
hope this is right...
Answer:
-9/20
Step-by-step explanation:
For the first two terms, all you have to do is multiply the numerators and the denominators, and cancel out the negative, but because there is a -1 after that, the negative sign comes back, although the -1 doesn't really change the number.
Answer:
-1 2/3
Step-by-step explanation:
Answer:
C.
84
Step-by-step explanation:
This question is solved using proportions.
From the sample:
11 + 3 = 14 out of 13 + 11 + 3 = 27 would rate the test something other than easy.
Out of 162:
Applying the rule of three:
14 - 27
x - 162
Applying cross multiplication:



Thus the correct answer is given by option C.
Answer: Its hard to explain, so I'll just give you the answer (47 degrees)