She started with $7 because she gave away 18 then she got $50 then she has $57 then she got $29 then she has $86
Answer:
50 is the surface area
Step-by-step explanation:
V = length×width ×height
V = 9 × 2 × 3
V = 54 units cubed
Answer:
50
Step-by-step explanation:
a triangle's sum of all angles is 180 degrees
so a+b+c=180
we know c=80
and a=b
so that'll be
2y+80=180
subtract 80 from each side
2y=100
divide by 2
y=50