Evaluate the following:
1. 
2. 
3. 
1. ?70
2. 
3. 
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Rectangular coordinates of a point are given. Use a graphing utility in radian mode to find polar coordinates of the point.(6, 8) Express ? to three decimal places.
A. (10, 0.927) B. (14, 0.644) C. (10, 0.848) D. (10, 0.644)
Use the alphabet coding method (A =1, B = 2, C = 3, ... Z = 26) to solve the problem.The function defined by f(x) = x + 2 was used to encode a message as: 15 3 22 10 9 7 16 11 23 21Find the inverse function and determine the message.
What will be an ideal response?
Solve the equation.7x2 + 4x - 8 = x(4 + 7x) - 8
A. 
B. Identity, {all real numbers}
C. 
D. Inconsistent, ?
Solve the problem.How many 3-letter codes can be formed using the letters A, B, C, D, E, F, G, H, and I. Repeated letters are allowed.
A. 729 B. 19,683 C. 84 D. 504