Factor by grouping.x2 - 7x + 9x - 63
A. (x - 7)(x + 9)
B. (x - 1)(x + 63)
C. (x - 7)(x - 9)
D. (x + 7)(x - 9)
Answer: A
Mathematics
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The length L, in centimeters, of a certain type of snake is a function of the age t in years. The relationship is
?
.
What is the longest snake of this variety that can be found?
?
A. 45 centimeters B. 41 centimeters C. 18.56 centimeters D. 53 centimeters
Mathematics
Divide, if possible.44 ÷ (-22)
A. -12
B. -2
C. - 
D. 2
Mathematics
Simplify.
A. 
B. - 
C. 
D. - 
Mathematics
Solve. If necessary, round to the nearest tenth.If a tree 42.5 feet tall casts a shadow that is 17 feet long, find the height of a tree casting a shadow that is 11 feet long.
A. 27.5 ft B. 4.4 ft C. 36.5 ft D. 65.7 ft
Mathematics