Combine like terms-- you can combine the k's:

Now you have:

Simply divide both sides by 2.5 to find the value of k:
Direct variation is when one variable changes the other changes in proportion of the first, therefore all the above
Answer:18x+5
Step-by-step explanation:
Answer:
(9,20)
Step-by-step explanation:
9 and 20 together... (9,20)
Answer:
791.2 ft
Step-by-step explanation:
The cable is inclined and this acts as the hypotenuse. Since the other two sides are given.

where x and y represent the distance between two cliffs apart and difference in heights. Substituting 740 for x and 280 for y then
