Answer:
wouldn't it be 18/7
Step-by-step explanation:
270 ÷ 15 over 105 ÷ 15
Answer:
525
Step-by-step explanation:
Answer:
r= -10
Step-by-step explanation:
Multiply both sides by -3/4
remove parenthesis
move constant to the right
change the signs
Answer:

Step-by-step explanation:
We have the expression:

To solve this equation we must factor:
1.- Take common factor x.

2.- Evaluate the expressions to know when they are equal to 0.
or 
or 
3.- The solutions are:

Sorry I don't have a calculator with me, but I set up the problem. Be sure to follows order of operations (please excuse my dear aunt Sally) and take the square root of your final answer to get x=
Hope this helps!