Find the sum if it exists.
A. - 
B. 
C. 
D. Does not exist
Answer: C
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Rewrite each number using scientific notation before performing the operation. Leave your answer in scientific notation form.(500)(40,000)
A. 2.0 × 109 B. 2.0 × 107 C. 2.0 × 106 D. 2.0 × 108
Find the volume of the rectangular solid.
A. V = 70.560 cm2
B. V = 19.3 cm3
C.
| V = 251.615 cm3 |
D. V = 56.25 cm3
Refer to the equilateral triangle shown below and its six symmetries: ? r1 : reflection with axis l1 ? r2 : reflection with axis l2 ? r3 : reflection with axis l3 ? R1 : 120° clockwise rotation with rotocenter O ? R2 : 240° clockwise rotation with rotocenter O ? I : the identity symmetry
Which symmetry results when applying the symmetry R2 followed by r1 ?
A. R1 B. r1 C. R2 D. r2 E. r3
Solve the problem.If 5000 feet of fencing are used to enclose a rectangular field, the resulting area of the field is 
where x is the width of the pen. What is the maximum possible area of the pen?
A. 62,500 ft2 B. 31,250 ft2 C. 1,562,500 ft2 D. 1250 ft2