Find the value of a? so that the slope of the line joining points P(a, 6) and Q(4, 4) is equal to 4.
?
A. ?
B. ?
C. ?
D. ?12
E. ?
Answer: E
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Use the properties of equality to solve the equation.1.9x = 5.13
A. x = 2.8 B. x = 2.7 C. x = 2.65 D. x = 2.75 E. none of these
Provide an appropriate response.Use the compound amount formula A = P
to find the accumulated amount on an investment of $2000, invested at an interest rate of 6% for 10 years, if the interest is compounded quarterly.
A. $3,612.22 B. $20,300.00 C. $3,628.04 D. $16,543.61
Solve the problem.The owners of a large factory complex plan to install a new network of water lines to supply water to five factory buildings. The building numbers of the buildings involved are: #12, #14, #15, #17, and #18. The distances in meters between these buildings are given in the following table.
a) Represent this information with a weighted, complete graph.b) Use Kruskal's algorithm to find a minimum-cost spanning tree that would link each building to give the least-expensive pipe network.c) If the water line cost is $700 per meter, determine the cost of the network in part (b).
What will be an ideal response?
Fill in the blank with one of the words or phrases listed below. 
An angle that measures 90° is called a(n) 
angle.
A. supplementary B. complementary C. straight D. right