Answer:
what is difficult about this problem? do you not have a calculator? what part is tough?
Step-by-step explanation:
First simplify the square roots:

Then simplify the last two terms:

Since 61 is prime, you can't take a rational root out of it.
Answer:
65°
Step-by-step explanation:
all angles in a trapezium equate to 360°
R is 115°
115+115=230
360-230=130
130÷2=65
Answer:
Alt Int. <s Thm
m<4=45 degrees
Step-by-step explanation:
45=9x
x=5
m<4= 9*5
m^4=45
4 + s = 9
9 - s = 4
These should be the two ways to solve.