Answer:
B) 2828.427g
Step-by-step explanation:
Hope this helps!
x = 10 and y = 7
Equalateral triangle means all sides are equal.
x = 10, easy
make y + 3 = 10
y = 7
Easy, no real math needed. lol
1) 2x=4x-8
2) 4(x+2)=20
3) 2x-9=4(x+5)
300 because you have to multiply 100 and 3