Answer:
x = 41
Step-by-step explanation:
z-score for 900 points = -4
To find the z scores
z=(x-mean)/standard deviation
so
z=(900-1500)/150
z= -600/150
she participated in 4 tournaments
D
Answer: that’s 5
Trapezoid
Explanation:
A trapezoid does not have two pairs of parallel sides.