Solve.-2x + 6(3x - 2) = 11 - 7x
A. - 
B. - 
C. - 1
D. 1
Answer: D
Mathematics
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Find 
and 
.f(x, y) = 4x - 6y2 - 9
A. 
= 4x; 
= -12y
B. 
= -12y; 
= 4
C. 
= 4; 
= -12y
D. 
= -5; 
= -12y - 9
Mathematics
Solve the initial value problem.
= 15 sin 2 x cos x, y(0) = 5
A. y = 
cos 2 x + 5
B. y = 30 sin x cos x + 5
C. y = - 5 sin 3 x - 5
D. y = 5 sin 3 x + 5
Mathematics
Find the midpoint of the segment with the given endpoints.
and 
A. 
B. 
C. 
D. 
Mathematics
Solve. Remember to insert units when writing your answer.One box of cake mix weighs 2.365 kilograms, but 81 grams of this weight is the packaging. Find the actual weight (excluding packaging) of the cake mix in 3 boxes.
A. 7.095 kg B. 6.852 kg C. 4.665 kg D. 2.284 kg
Mathematics