Solve the system of equations using substitution.
A. x = 20, y = 1; x = 1, y = 20
B. x = 5, y = 4; x = 4, y = 5
C. x = 6, y = 3; x = 3, y = 6
D. x = 10, y = 2; x = 2, y =10
Answer: B
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Express the quantified statement in an equivalent way, that is, in a way that has exactly the same meaning.All uncles are males.
A. At least one uncle is a male. B. All males are not uncles. C. Some males are not uncles. D. There are no uncles that are not males.
Given the following properties of a triangle find side b.
Find the x-intercepts of the function.f(x) = x2 + 4x - 3
A. (-2 ± 2
, 0)
B. (2 + 
, 0)
C. (-1 ± 
, 0)
D. (-2 ± 
, 0)
Solve.A weather forecaster predicts that the temperature will drop 5 degrees each hour for the next 9 hours. If the temperature is 26°F before the temperature starts falling, what is the temperature after the drop?
A. -45°F B. -19°F C. 45°F D. 12°F