In the following diagram line C intersects line D. А
3x+7
21
22 23
B
24
26
25
4x+5
С
5y-29
27
28
3y+19
D
Figure may not be drawn to scale.
A. Using complete sentences, classify the relationship between 27 and 28 created by the intersection of
lines C and D.
B. Use complete sentences to explain how the special angles created by the intersection of lines C and
D can be used to solve for y.
C. Solve for y and find the measures of 27 and 28.

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

How do you use the elimination method for this question? explain, because i really want to understand!

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books