We have three pairs of rectangles:
16ft × 6ft = 96ft²
2ft × 6ft = 12ft²
2ft × 16ft = 32ft²
S.A. = 2 × (96 + 12 + 32) = 2 × 140 = 280ft².
<h3>Answer: C.) 280ft²</h3>
<span>In mathematics, a percentage is a number in the fraction of 100. It is often denoted with the symbol of "%", or simply "pct" or "percent". For example, 35% is equivalent to 0.35 or 35/100. The calculator above can take any two values and calculate the third value.</span>
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Answer:
-9
Step-by-step explanation:
The answer is (1) x=-2. The property of the equation like y=ax2+bx+c is that the axis of symmetry of the graph is x=-b/2a. So for this question, the axis is x=-4/2=-2.