I think its saying find a side that has no numbers or has a letters. figure out the whole shape then subtract the sides we do know and theres your answer. And if its a decimal round the decimal to the nearest tenth
Answer:
4075
Step-by-step explanation:
To find the answer, use this equation:
65 + 45 + x = 180
Simplify:
110 + x = 180
Subtract:
x = 70
Your unknown interior is 70
Hope this helps!! :)
D. (y-3)
I'm assuming that they want you to find the factors of the quadratic expression, which are (y-5)(y-3). (y-5) isn't up there, so (y-3) is the only solution that's really possible.
The answer is -3x^2+10xy+8y^2
