Determine if the ordered pair is a solution to the given inequality.4x - 6y > -16; (2.5, -4.5)
A. Yes
B. No
Answer: A
Mathematics
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The following table shows the total cost C of joining a music club and downloading s songs. Find a linear model for the total cost as a function of songs downloaded. Round the slope to three decimal places, if necessary. x 2 8 14 20 y 12.16 16.71 21.26 25.81?
A. 
B. ?
C. ?
D. ?
Mathematics
Integrate the function f over the given region.f(x, y) = xy over the rectangle 3 ? x ? 4, 2 ? y ? 7
A. 
B. 
C. 105
D. 
Mathematics
Find the exact value of the indicated trigonometric function of ?.cos ? = 
, tan ? < 0Find sin ?.
A. -
B. - 
C. - 
D. - 
Mathematics
Graph the equation using the slope and y-intercept.y = 
x - 2
A. 
B. 
C. 
D. 
Mathematics