Solve.The dimensions of a digital image downloaded from the Internet are 400 pixels across and 490 pixels high. What are the total number of pixels in the image?
A. 196,000
B. 196,020
C. 890
D. 19,600
Answer: A
Mathematics
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Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 5 - x2
A. Yes B. No
Mathematics
Find the least common denominator (LCD).
, 
, 
A. 8(r + 7)2 B. 8(r + 7) C. r(r + 7)2 D. 8r(r + 7)2
Mathematics
Solve the problem.True or false, a system of linear equations containing more variables than equations is always dependent.
A. True B. False
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics