Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m
B. 18.1 m
C. 19.6 m
D. 64.6 m
Answer: C
Mathematics
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Classify the angle as acute, right, obtuse, or straight.
A. Right B. Acute C. Straight D. Obtuse
Mathematics
Find the equation of the axis of symmetry.f(x) = -(x + 3)2 + 9
A. x = 9 B. x = -3 C. x = -9 D. x = 3
Mathematics
Solve.A particular substance decays in such a way that it loses half its weight each day. How much of the substance is left after 9 days if it starts out at 128 grams?
A. 4 grams
B. gram
C. gram
D. 2 grams
Mathematics
Find the slope of the line.
A. 0
B. 4
C.
D. Undefined
Mathematics