Answer:
60
Step-by-step explanation:
, $&7%"""%- &xgsfx,, 77$""$66"'++
Answer:
D, B
Step-by-step explanation:
D is 4 units above B
Answer:
whats the question and are you supposed to type in the answer or do they have a choice?
Answer:

Step-by-step explanation:
To isolate r, we're going to need to do some algebraic manipulation.

Multiply both sides by r:

Divide both sides by a:

Hope this helps!