Answer:

Step-by-step explanation:

You have to prime factorise 81 and then you will get <u>9</u> as the answer.
Yes!
- you applied the distributive property
- combined like terms
- and answered the rest right!
Answer:
x≥3 but without the line under the symbol
Step-by-step explanation:
Answer:
x=10
Step-by-step explanation:
Set up the equation, (3x+6)+54=90 because both angles equal up to 90 degrees, and then solve for x.
Answer: Rotating a shape 90 degrees is the same as rotating it 270 degrees clockwise.
Step-by-step explanation: