Decide what number must be added to the binomial to make a perfect square trinomial.x2 + 14x
A. 98
B. 7
C. 49
D. 25
Answer: C
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Solve the problem.Find the center of mass of the region of constant density bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 27
B. 
= 0, 
= 0, 
= 3
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Find the particular solution to the given differential equation that satisfies the given conditions.y'' + 8y' + 12y = 0; y' = 0 and y = 3 when x = 0
A. y = - 
e-6x + 
e-2x
B. y = 
e6x + 
e2x
C. y = - 
e6x + 
e2x
D. y = 
e-6x - 
e-2x
Determine whether the statements are logically equivalent.(p ? ~q) ? ~(p ? q), p ? (p ? q)
A. Equivalent B. Not equivalent
First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Chi bought 2 items at Lucky Pete's market. She bought a pound of butter for $0.50 and a gallon of milk for $2.69. What was the total amount that she paid for both of these items?
A. Estimate: $ 4; exact: $1.5 B. Estimate: $ 5; exact: $1.5 C. Estimate: $ 4; exact: $3.19 D. Estimate: $ 3; exact: $3.19