Write the sentence as an equation. Let the variable x represent the number.47 less than a number is 25.
A. 47 - x = 25
B. x - 47 = 25
C. 
= 25
D. 25 - x = 47
Answer: B
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Find the limit.
A. 
B. -10
C. - 
D. No limit
Solve.In a certain location, the highest temperature recorded was 99°F. The lowest temperature recorded there was 130 degrees lower than the highest. What was the lowest temperature recorded there?
A. 0°F B. 31°F C. -31°F D. -138°F
Add and write the resulting polynomial in descending order.
+ 
A. 2y4 + 
y3 - 3y2 + 9y + 2
B. 2y4 + 
y3 - 3y2 + 9y + 18
C. 2y4 + 
y3 - 3y2 + 9y + 2
D. 2y4 + 
y3 - 2y2 + 11y + 2
Another way to approximate the value of e is through the sum 1 + 
+ 
+ 
+ .... The notation n! represents n factorial, which is the product of all the integers from 1 through n. The more terms added to the sum, the closer the sum gets to e. In calculus, we say that the limit of this sum is e. Find the sum of the first k terms, rounded to the nearest hundred-thousandth, and determine how close the result is to e rounded to the nearest hundred-thousandth (2.71828).k = 5
terms A. 2.71667, 0.00161 B. 2.70833, 0.00995 C. 2.71828, 0 D. 2.5, 0.21828