The measure of a vertex angle in a regular polygon with nine sides is
(a) 140°
(b) 220°
(c) 1260°
(d) 20°
(e) 40°
(a) 140°
Mathematics
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Solve the problem.Find g(a - 1) when g(x) = 3x - 3.
A. 3a + 1
B. 3a - 3
C. 
a - 3
D. 3a - 6
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Ralph is paid $575 per month plus a commission of 3.2% of the first $3500 of sales, 5.4% of the next $3500 of sales, and 7.75% of all sales over $7000. Find Ralph's gross pay for a month with $31,600 in sales.
A. $2207.50 B. $5741.60 C. $2782.50 D. $3024.00
Mathematics
For the pair of functions, find the indicated domain.f(x) = 3x + 21, g(x) = x + 9Find the domain of f ? g.
A. (-?, -16] ? [-16, ?) B. (-?, -16) ? (-16, ?) C. (-?, ?) D. (-?, 16) ? (16, ?)
Mathematics