Write the following using algebraic notation.9 less than b
A. b + 9
B. b ÷ 9
C. b - 9
D. 9b
Answer: C
Mathematics
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Solve the problem.Find the perimeter of the polygon with the following vertices. Round to the nearest hundredth. A(1, 1), B(2, 5), C(5, 4), D(4, 2), E(3, 2)
A. 10.52 B. 12.76 C. 11.52 D. 14.64
Mathematics
Find the functions f and g so that F(x) = (f o g) (x).F(x) = 
A. f(x) = 4/x, g(x) = 9x + 1
B. f(x) = 
, g(x) = 4
C. f(x) = 4, g(x) = 
D. f(x) = 4/
, g(x) = 9x + 1
Mathematics
Solve the problem.A wheel with a 20-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 18 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 47.6° B. 53.6° C. 51.6° D. 49.6°
Mathematics
Simplify.
A. 
B. 7x + 4
C. 
D. 
Mathematics