40 - 4 = 36
average = 36/9 = 4
answer
average number of members who joined the math club is 4 per month
X * 0.85 = 136
x = 136/0.85
x = 160
hope this helps :)
Answer:
Simplify the expression.
t^/9
Step-by-step explanation:
<span>1)A ray has one endpoint and extends indefinitely in one direction.
2)A pair of opposite rays are two rays that have the same endpoint and extend in opposite directions.
<span>3)Rays are always named with two points and the first point in the name must be the endpoint.</span></span>