Answer:
angle b is 30 degrees
Step-by-step explanation:
a right angle is 90 degrees so you can do 90 -60 witch gets you 30 degrees
Answer:

Step-by-step explanation:

<em>Replace it with y</em>

<em>Exchange the values of x and y</em>

<em>Solve for y</em>

<em>Subtracting 1 from both sides</em>

<em>Dividing both sides by 2</em>

<em>Replace it by </em>
So,

Answer:
15f^2
Step-by-step explanation:
multiply lenghtxwidth
always make sure to square your answer when doing area
Answer:
9-4x is simplified
Step-by-step explanation:
hope this helps