Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Answer: D
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.x = 1, z = 3
A. The line through the point (1, 0, 3) and parallel to the y-axis B. The point (1, 3) C. The line through the point (1, 3, 0) and parallel to the z-axis D. All points in the x-z plane
Use a calculator to find the value of the function in degrees, rounded to the nearest hundredth of a degree.sin-1 0.8521
A. 58.44° B. 53.44° C. 60.44° D. 63.44°
Write the numeral as a traditional Chinese numeral.620
A. 
B. 
C. 
D. 
Solve.A carpenter wants to make a semicircular deck by cutting four equal pieces of wood as shown. Measure the angle of one of the pieces. Describe another way to determine the angle measure without using a protractor.
A. 90°; Since two of the pieces form a right angle, one of the pieces measures 1/2(180°), or 90°. B. 40°; Since two of the pieces form a right angle, one of the pieces measures 1/2(80°), or 40°. C. 45°; Since two of the pieces form a right angle, one of the pieces measures 1/2(90°), or 45°. D. 60°; Since two of the pieces form a right angle, one of the pieces measures 1/2(120°), or 60°.