x² = –16y
Locate the focus.
(0, –4)
Mathematics
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Solve.Recall that 
is the formula for the area of a square. If the area of a square is represented by 
how can the length of each side be represented?
A. (x - 3)2 B. (x + 3)2 C. x - 3 D. x + 3
Mathematics
Make a scatterplot of the data.{(23, 50),(-9, 16),(22, 41),(-9, -16),(-5, -2),(8, 31),(3, 7),(16, 64),(-9, -1),(-5, 6)} 
A. 
B. 
C. 
D. 
Mathematics
Find the area.
A. 136 yd2 B. 152 yd2 C. 112 yd2 D. 128 yd2
Mathematics
Find the greatest common factor of 33, 63, and 90.
A. 63 B. 90 C. 33 D. 5 E. 3
Mathematics