Add and, if possible, simplify.8 + 
A. 
B. 
C. 
D. 
Answer: D
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In the figure, the exterior sides of the adjacent angles (
and 
) form a larger angle (
). If m
= 49° and m
= 58°, what type of angle is 
?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Two ladders of length a lean against opposite walls of an alley with their feet touching. One ladder extends h feet up the wall and makes a 75° angle with the ground. The other ladder extends k feet up the opposite wall and makes a 45° angle with the ground. Find the width of the alley in terms of h. Assume that the ground is horizontal and perpendicular to both walls. 
A. 
h
B. h
C. 
h
D. 
h
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Consider the following timeline using two processors.
A. This timeline is an illegal schedule. B. This timeline is an optimal schedule. C. This is the timeline one gets using the critical-path algorithm. D. This is the timeline one gets using the decreasing-time algorithm. E. none of these
Rearrange the numbers using any order and grouping so that you can perform the addition as quickly as possible.6 + 6 + 2 + 4 + 6
A. 27 B. 24 C. 22 D. 25