If an argument reads
p?q
q?p,
then we can conclude p _________________ q.
Fill in the blank(s) with the appropriate word(s).
if and only if
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Find all real solutions to the system of equations using the addition method.2x2 + y2 = 66 x2 + y2 = 41
A. (5, 4), (5, -4), (-5, 4), (-5, -4) B. (4, 5), (-4, 5), (4, -5), (-4, -5) C. (4, 5), (-4, -5) D. (5, 4), (-5, -4)
?Express the equation in logarithmic form.
?
?
A. ?
B. ?
C. ?
D. ?
Change the mixed number to an improper fraction.7
A.
B.
C.
D.
Suppose the number of daily sales of a product was found to be given by , x days after the start of an advertising campaign for this product. Find the average daily sales during the first 25 days of the campaign-that is, from
style="vertical-align:middle;" /> to . Round your answer to the nearest dollar.
?
A. $133
B. $130
C. $127
D. $265
E. $255