Simplify the expression.
÷ 
A. 
B. 
C. z - 4
D. 
Answer: A
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Solve the problem.To find the height of this tree, Luis marked the tree at eye level, 1.8 meters above the ground. He measured 
from the base of the tree and then held a 
ruler vertically in front of his eye until the ruler just obscured the tree above the mark. Using a string tied through a hole in one end of the ruler, Luis found that the distance from his eye to the ruler was 5.1 centimeters. What was the height of the tree? Round to the nearest meter.
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A. 30 m
B. 40 m
C. 34 m
D. 36 m
Write the decimal using numbers.two hundred and fifteen ten-thousandths
A. 200.0015 B. 0.215 C. 200.015 D. 0.0215
Solve.How many different ways can a president, vice-president, secretary, and treasurer be chosen from a club with 8 members?
A. 32 B. 70 C. 24 D. 1680
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 8x - 13;
Find (f ? g)(x).
A. 2
B. 8
C. 8
- 13
D. 2