Add or subtract. 13
- 
A. 12
B. 13
C. 12
D. 11
Answer: A
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Select letters to represent the simple statements and write each statement symbolically by using parentheses then indicate whether the statement is a negation, conjunction, disjunction, conditional, or biconditional.It is not true that if you take your vitamins you will stay healthy.
A. ~p ? (~q); conditional B. ~(p ? q); negation C. ~p ? q; conditional D. ~(p ? q); negation
Write standard notation for the number in the sentence.A certain exotic sport scar costs three hundred twelve thousand, 
ninety-two dollars.
A. 312,592,000 B. 312,592 C. 3,205,920 D. 31,252
Simplify.15 ÷ 1
A. 1 B. 15 C. undefined D. 0
Approximate the area under the curve y = sinx from 0 to 
using approximating rectangles of equal widths and right endpoints. The choices are rounded to the nearest hundredth.
a. 3.09 b. 1.09 c. 4.09 d. 0.09 e. 2.09