Suppose that y is directly proportional to x. Use the given information to find the constant of proportionality k. Then use y = kx to find y for the given value of x.y = 25.9 when x = 7;
Find y given x = 13.
A. k = 3.7; y = 50.7
B. k = 3.9; y = 48.1
C. k = 181.3; y = 
D. k = 3.7; y = 48.1
Answer: D
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?Hot dogs come in packages of 8 and hot dog buns come in packages of 10. Which of the following shows how we cannot find the number of packages of each in order to obtain a perfect match of dogs and buns? What concept is used? ?
A. ?Prime factor 8 and 10 and find the LCM. B. ?Find the union of the prime factors of 8 and 10: LCM concept C. ?Prime factor 8 and 10 and find the GCF. D. ?Find the smallest number that both 8 and 10 go into: LCM concept E. ?Add 8's together and add 10's together until you find a common sum: LCM concept
Classify the triangle as acute, right, or obtuse and as equilateral, isosceles, or scalene.
A. Acute, equilateral B. Obtuse, scalene C. Obtuse, equilateral D. Right, scalene
Solve the problem.Fred took his mother out to dinner for her birthday. The bill for the food was $63.20, the bill for drinks was $15.25. How much was Fred's 10% tip, rounded to the nearest dollar?
A. $6 B. $2 C. $96 D. $8
Construct a truth table for the given statement and then determine if the statement is a tautology.[ (p ? ~ q) ? q ] ? p
A. 
Is a tautology.
B. 
Is a tautology.
C. 
Is not a tautology.
D. 
Is not a tautology.