Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.Ming got a 19% raise in her salary from last year. This year she is earning $135,660. How much did she make last year?
A. $7140
B. $114,000
C. $21,660
D. $2,577,540
Answer: B
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Solve.A formula for the circumference of a circle is C = 2?r, where r is the radius of the circle. (i) Solve the formula for r. (ii) A circle has a circumference of 42? meters. Find the radius, r, of the circle.
A. (i) r = 
(ii) 21 m
B. (i) r = 
(ii) 42 m
C. (i) r = 
(ii) 7 m
D. (i) r = 
(ii) 11 m
Find the function value using a calculator set in RADIAN mode. Round the answer to four decimal places, where approximate.sin 
A. 0.9504 B. 0.2225 C. 0.7524 D. 0.9749
Solve the equation.
x + 1 = 
x - 4
A. 
B. 
C. 
D. 
Solve the problem.The function defined by f(x) = x + 2 was used to encode the following message: 15 3 22 10 9 7 16 11 23 21using the alphabet coding method (A = 1, B = 2, C = 3, ...). Find the inverse and decode the message.
What will be an ideal response?