Hi there!

Work out the parenthesis.

Combine like terms.

Subtract 9 from both sides.

Subtract 4x from both sides

Divide both sides by -9
Answer:
R^{2} + S^{2} = T^{2}
Step-by-step explanation:
the pythagorean theorem
Answer:
B
Step-by-step explanation:
Answer:
1:7
Step-by-step explanation:
One day out of the week (1/7)
If she burned the same number of calories every day, this should be the answer.