3. Albert Poole purchased an AT&T phone answering system for his home office. The list price was $99.86. He also purchased a 12-foot handset cord for $8.95
and 50 feet of telephone wire for 15¢ a foot. He received a $5.00 rebate on the
phone system and had a store coupon for $1.00 off each accessory. If he paid a
6% sales tax on the final price, how much did he pay?

b

step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (3, - 5) ← 2 points on the line

m = = = - 3

with m = - 3 and (a, b) = (3, - 5), then

y - (- 5) = - 3(x - 3), that is

y + 5 = - 3(x - 3) → b

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step-by-step explanation:

it me < 3

t= 1/3.

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step-by-step explanation: