So 1 would be 5r+20 and then the second one would be
Answer:
x=9
Step-by-step explanation:
subtract 9 from both sides.
-3x = -27
divide by -3
x=9
Answer:
45 should be it
Step-by-step explanation:
Answer:
The answer would most likely to eight. If not use the formula Base x Height
Step-by-step explanation:
Recall the fundamental rule of trig:

So, there exists an angle
such that

if and only if

Working out the numbers, we get

So, there doesn't exist a number
such that
