Solve the equation.40 = - 
x
A. 
B. 
C. {- 48}
D. 
Answer: C
Mathematics
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Tell whether the statement is true or false.{s, q, y, o, d} = {o, d, q, s, y}
A. True B. False
Mathematics
Use mathematical induction to prove the following.6 + 12 + 18 + . . . + 6n = 3n(n + 1)
What will be an ideal response?
Mathematics
Solve the problem.The time T necessary to make an enlargement of a photo negative varies directly with the area A of the enlargement. If 84 seconds are required to make a 3-by-4 enlargement, find the time required for a 
enlargement.
A. 336 sec B. 378 sec C. 252 sec D. 294 sec
Mathematics
Write a system of equations in x and y describing the situation. Do not solve the system.One number is 6 more than another number. If you add 10 to 6 times the first number, the result is 7 times the second number.
A. 
B. 
C. 
D. 
Mathematics