Let x represent the number. Write the English phrase as an algebraic expression.The sum of 142 and a number
A. 142x
B. 142
C. 142 + x
D. 142 - x
Answer: C
Mathematics
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Evaluate the given function with the following information: sin ? = 
(? in first quadrant) and cos ? = - 
(? in second quadrant).tan(? - ?)
A. - 
B. 
C. - 
D. 
Mathematics
Find the requested characteristic.Find the period for the graph of f(t) = sec 
.
A. 
B. 
C. 
D. 3?
Mathematics
Subtract.3 - (-11)
A. 14 B. -8 C. 8 D. -14
Mathematics
Use a graphing calculator to solve the nonlinear system. Give x- and y-coordinates to the nearest hundredth.x2 - y2 = 7.82x = 2y - 5
A. {(-2.97, -1.01), (6.31, -5.65)} B. {(-6.31, -5.65), (2.97, -1.01)} C. {(-6.31, 5.65), (2.97, 1.01)} D. {(-2.97, 1.01), (6.31, 5.65)}
Mathematics