Answer:
81
Step-by-step explanation:
sin 31 = 42/x
x sin 31 = 42
x = (sin 31)/42
Answer:
14
Step-by-step explanation:
8x-1 = 7x+13
type it into desmos next time
Answer:

Step-by-step explanation:
Commutative property of addition:
Changing the order of addends does not change the sum.
<h3>Hope it is helpful...</h3>
Answer:
It will be 57 points.
Step-by-step explanation: