Answer:
x = ± 10
Step-by-step explanation:
Given
x² - 100 = 0 ( add 100 to both sides )
x² = 100 ( take the square root of both sides )
x = ±
← note plus or minus, hence
x = ± 10
the first answer common ratio is t2/t1=32/16
=2
I'm not sure of the rest
Answer:
220 - a = m
Step-by-step explanation:
a is her age
Answer:
True
Step-by-step explanation:
Im not 100% sure it is true but i hope this helps ^^
Answer:
440 in ^2 in the surface area
Step-by-step explanation:
Hope this helps