?Solve the following equation using any convenient method.
?
A. x = 
B. ?x = 49
C. ?x = 7
D. ?x = -7, 4
E. ?x = 
Answer: E
Mathematics
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Find the unit tangent vector of the given curve.r(t) = 
i + 
j - 12tk
A. T = 
i + 
j - 
k
B. T = 
i + 
j - 
k
C. T = 
i + 
j - 
k
D. T = 
i + 
j - 
k
Mathematics
Solve the problems.Video games made up 47.8% of the total revenue for a small specialty store. Write this percent as a decimal.
A. 47.8 B. 0.0478 C. 4.78 D. 0.478
Mathematics
Find the area of the rectangle or square with the given dimensions.square: side = 1.5 yd
A. A = 2.25 yd2 B. A = 6 yd2 C. A = 4.5 yd2 D. A = 3 yd2
Mathematics
Use linearization to approximate 
What will be an ideal response?
Mathematics