Answer:
(x-5) (x+4)
Step-by-step explanation:
x^2 -x -20
What two terms multiply to -20 and add to -1
-5*4 = -20
-5+4 = -1
(x-5) (x+4)
72+128
=200 I think this is right
25% off translates into 0.25($30) = $7.50 off.
A faster way to determine the sales price is to subtract 0.25 from 1.00 and then mult. the regular price by the result: sales price = 0.75($30) = $22.50 (answer)
Lateral Surface Area of a cone = πrl
Lateral Surface Area of the ice-cream cone = π x 1 x 5.1
Lateral Surface Area of the ice-cream cone = 16 in² (nearest inch)
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Answer: 16 in² of waffle is needed to make each cone.
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