Estimate the product by first rounding each number so that there is one nonzero digit.6.4 × 38
A. 2400
B. 360
C. 240
D. 24
Answer: C
Mathematics
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Solve the problem.Find all points on the curve y = sin x, 0 ? x ? 2?, where the tangent line is parallel to the line 
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Graph the function.f(x) = 
x 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.6 = b - 8
A. 14 B. -2 C. 2 D. -14
Mathematics
Find the measures of the angles or the side lengths as indicated.Find the lengths of the other sides of the parallelogram.
= 92.0 and 
= 51.1 
A. 
= 51.1, 
= 92.0
B. 
= 51.1, 
= 92.0
C. 
= 51.1, 
= 92.0
D. 
= 51.1, 
= 102.2
Mathematics