Which sort of manipulative is most useful for measuring the heights of tall objects (e.g., buildings and trees?)
a. Clinometer
b. Wedge
c. Geoboard
d. Mira
Ans: a
Mathematics
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Evaluate.(-8)3
A. -24 B. -512 C. 512 D. 24
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Simplify.-8(18)
A. -64 B. -144 C. 16 D. 80
Mathematics
Write the expression as one logarithm.logb x + logb y
A. logb xy B. log2b (x + y) C. log2b xy D. logb (x + y)
Mathematics
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.r(x) = x2 + 6x + 9
A. 
Vertex (-3, 0)
x-int = (-3, 0);
y-int = (0, 9)
B. 
Vertex (0, 9)
no x-intercepts;
y-int = (0, 9)
C. 
Vertex (3, 0)
x-int = (3, 0);
y-int = (0, 9)
D. 
Vertex (0, -9)
x-int = (-3, 0),
(3, 0); y-int = (0, -9)
Mathematics