Answer:
Answer - a) 1:80
b) 1:80
Step-by-step explanation:
All the ratio should be written in lowest form. these are the answers for both the questions.
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T^2-1 and n^2-225
I don't think k^2+81 because of the "+" sign, only "-" signs are <span>differences of squares.</span>
Answer:
328.4
Step-by-step explanation:
sorry I don't know the step by step
Use substitution
x -4x - 7 = 2
-3x = 9, x = -3
Y = -4(-3) - 7
Y = 12 - 7, y = 5
Solution: x = -3, y = 5
first is the ans
Step-by-step explanation:
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