Solve the problem.A rectangle has a length of 
and a width of 
. What is the best estimate for its area?
A. 98
B. 91
C. 112
D. 104
Answer: B
Mathematics
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Find the indicated coordinates.The coordinates of P are (-10, -4), and the coordinates of Q are (-8, -6). Find the coordinates of R such that Q is halfway between P and R.
A. (-9, -5) B. (-12, -2) C. (-6, -8) D. (-18, -10)
Mathematics
Write the equation without multiplication signs.u = 2 × m + 5 × n
A. u = 10mn B. u = 7 + m + n C. u = 2m + 5n D. u = 5m + 2n
Mathematics
Find an equation for the ellipse described.Focus at (0, -3); vertices at (0, -6) and (0, 6)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 9 units to the right
A. y = 
B. y = 
- 9
C. y = 
+ 9
D. y = 
Mathematics