Multiply using the lattice method.77 × 98
A. 7556
B. 7646
C. 7536
D. 7546
Answer: D
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Determine if the argument is valid or a fallacy. Give a reason to justify answer.If it's Tuesday, then this must be Paris.Today is Wednesday. This cannot be Paris.
A. Fallacy by fallacy of the converse B. Valid by reasoning of transitivity C. Fallacy by fallacy of the inverse D. Valid by modus tollens
Solve the problem.If an object is dropped from a tower of unknown height, the velocity of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Therefore, you can express V as a linear function of t. Find the domain of this function.
A. (-1, ?) B. [1, 4] C. [0, ?) D. (-?, ?)
Write the phrase as a variable expression. Use x to represent "a number."Seven times a number, decreased by 43
A. 7(x - 43) B. 7x - 43 C. 7(x + 43) D. 7x + 43
Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.sin ? = 
Find tan ?.
A. 
B. 
C. 2
D. 