Use an Euler diagram to determine whether the argument is valid or invalid.Rational numbers are real numbers.Integers are rational numbers. Therefore, integers are real numbers.
A. valid
B. invalid
Answer: A
Mathematics
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Find the exact value using a double-angle identity.tan 
A. 
B. 
C. - 
D. - 
Mathematics
Solve the problem.A card is drawn from a well-shuffled deck of 52 cards. What is the probability of drawing an ace or 8?
A. 
B. 
C. 
D. 9
Mathematics
Solve.An open-top rectangular box has a square base and it will hold 256 cubic centimeters (cc). Each side of the base has length x cm. The box's surface area S is given byS(x) = 
+ x2.
Estimate the minimum surface area and the value of x that will yield it.
A. 192 cm2 when x = 8 cm B. 256 cm2 when x = 6 cm C. 207 cm2 when x = 6 cm D. 256 cm2 when x = 8 cm
Mathematics
Solve the equation using the Multiplication Property of Equality.- 
a = 0
A. {1} B. {14} C. {0} D. {-14}
Mathematics