Evaluate (9-7)!
a. 20,922,789,888,000
b. 6
c. 1
d. 24
e. 2
e. 2
Mathematics
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Provide an appropriate response.The average height of a boy in the United States, from birth through 60 months, can be modeled by 
where y is the average height, in inches, of boys who are x months of age. What would be the expected difference in height between a child 36 months of age and a child 16 months of age?
A. 5.8 in. B. 17.4 in. C. 7.8 in. D. 46 in.
Mathematics
Find the area A of a triangle with base b and altitude h.b = 10 ft, h = 9 ft
A. 19 ft B. 90 ft2 C. 181 ft2 D. 45 ft2
Mathematics
Solve.
- 
= 
A. -42 B. 6 C. -6 D. -63
Mathematics
Solve the absolute value equation.|7x + 9| = 2
A. 1, 
B. - 
, - 
C. ?
D. - 1, - 
Mathematics