Answer:
Step-by-step explanation:
All she needs to know is that a reflection across the x-axis is when the x coordinate stays the same and the y-coordinates change.
Hope this helped.
Step-by-step explanation:
y is the hypotenuse.
to find the hypotenuse:
a² + b² = c²
c = √ ( a² + b² )
y is the hypotenuse, a = 3, b = 3
y = √( a² + b² )
y = √ ( 3² + 3² )

Answer:
24square unit
Step-by-step explanation:
triangle area=1/2.b.h
=1/2.8.6=24
72 people. Multiply 8 times one and a half, and then by six.