Solve.Aaron purchased a house for $91,685. Of the $91,685, he spent $18,337 upgrading the original design of the house. The upgrade cost 20% of what he spent for the house. Find the number of degrees on a circle that represent the cost of the upgrade.
A. 73°
B. 36°
C. 90°
D. 72°
Answer: D
Mathematics
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Fill in the blank with one of the words or phrases listed below.
triangles have the same shape and the same size.
A. Similar B. Pythagorean C. Congruent D. Right
Mathematics
Solve the problem.The following data represents the Olympic winning time in Women's 100 m Freestyle. 
Find the slope of the line of best fit for the data set and interpret it.
What will be an ideal response?
Mathematics
Suppose that the total cost function for a radio is linear, that the marginal cost is $27, and that the total cost for 50 radios is $5,250. Write the equation of this cost function 
.
?
A. ?
B. 
C. 
D. 
E. 
Mathematics
Graph the first-octant portion of the plane.9x + 12y + 18z = 36
What will be an ideal response?
Mathematics