Factor the binomial completely.9x2 - 49y2
A. (3x - 7y)2
B. (3x + 7y)2
C. (3x + 7y)(3x - 7y)
D. prime
Answer: C
Mathematics
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Perform the indicated operation. Write the result in scientific notation.(109,000,000)(150,000,000)
A. 1635 × 1014 B. 1.635 × 1014 C. 1635 × 1017 D. 1.635 × 1016
Mathematics
Provide an appropriate response.Solve: 
= 7
A. x = 3, x = -4 B. x = 3, x = 4 C. x = 3, x = -3 D. x = 4, x = -4
Mathematics
Use the appropriate geometric formula to determine the missing dimension (radius, length, or height).Use 3.14 for ?. Round to the nearest hundredth when appropriate.A sphere with a volume of 30 cubic feet.
A. r = 3.11 ft B. r = 1.93 ft C. r = 367.92 ft D. r = 7.17 ft
Mathematics
Graph.16x2 + 81y2 = 1296
A. 
B. 
C. 
D. 
Mathematics