Simplify.6 ? 7 + 8(7 - 2) + 1
A. 97
B. 451
C. 83
D. 90
Answer: C
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Write the first four terms of {an}.an = 
A. 0, 
, 
, 
B. ln 2, 
, 
, 
C. 0, 
, 
, 
D. 
, 
, 
, 
What will the area of the wound be in 5 days?
The area A of a healing would is decreasing at a rate of 
where t is time in days, and A is in square centimeters. On day one, the wound had an area of 
Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.5x2 + 4
xy + y2 - 36 = 0
A. x = 
(
x' - y') and y = 
(x' + 
y')
B. x = 
(x' - 
y') and y = 
(
x' + y')
C. x = 
(
x' + y') and y = 
(x' - 
y')
D. x = 
(
x' - y') and y = 
(x' + 
y')
For the given angle of rotation and coordinates of a point in the x'y'-coordinate system, find the coordinates of the point in the xy-coordinate system.? = 45°, (
, 3
)
A. (2, -4)
B. (-2
, 4
)
C. (4, -2)
D. (-2, 4)