Answer:
infinite
Step-by-step explanation:
Let the linear equation in two variables be ax+by+c=0
Put values


Hence for any values it has infinite number of solutions .
including x=1 and y=3
Answer:
S=4.5
Step-by-step explanation:
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Answer: Like the angles BAC (56°) and BDC has the same arc BC in the circumference, these angles must be congruent, then angle BDC must be equal to 56°.
f(x) represents the total number of pages Antonia has read; x represents the number of days