Solve the problem.For a circle of radius 4 feet, find the arc length s subtended by a central angle of 30°. Round to the nearest hundredth.
A. 376.99 ft
B. 2.09 ft
C. 4.19 ft
D. 6.28 ft
Answer: B
Mathematics
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Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Mathematics
The table of values gives two points that lie on a line. Use the points to find the slope and y-intercept of the line. Then use these values to write an equation of the line in slope-intercept form. 
A. y = 
x + 14
B. y = 
x + 
C. y = - 
x + 
D. y = - 
x + 14
Mathematics
Write the whole number in standard form.One hundred million, six thousand
A. 1,600,000 B. 106,000,000 C. 100,006,000 D. 1006
Mathematics
The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, whenever these products exist.A is 3 × 3, and B is 3 × 3.
A. 3 × 6; 3 × 6 B. 3 × 3; 3 × 3 C. 6 × 3; 6 × 3 D. 1 × 1; 1 × 1
Mathematics