Find the area of the rectangle or square.Length = 9 yd, width = 7 yd
A. 16 yd2
B. 32 yd2
C. 63 yd2
D. 126 yd2
Answer: C
Mathematics
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Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Mathematics
Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is vertically stretched by a factor of 7, and the resulting graph is reflected across the x-axis.
A. f(x) = 7(x - 7)x2 B. f(x) = -7x2 C. f(x) = (x - 7)2 D. f(x) = 7x2
Mathematics
Find parametric equations for the rectangular equation.y = 2x - 5
A. x = t, y = 2t - 5; 0 ? t < ?
B. x = 
, y = t - 
; 0 ? t < ?
C. x = t, y = 2t2 - 5; 0 ? t < ?
D. y = 2t, 2x = t + 5; 0 ? t < ?
Mathematics
Find the real or imaginary solutions by using the quadratic formula.3x2 + 4 = x
A. 
B. 
C. 
D. 
Mathematics