A mechanic charges $80 to diagnose the problem with a vehicle, $200 for the part to fix it and $65 and hour to work on it. If the mechanic works on the vehicle for 4 hours what is the final cost if the sales tax is 6.5%? *
$540
$575.10
$625.23
$583.42

$575.10

Step-by-step explanation:

(80+200+65(4))1.065=

(80+200+260)1.065=

(540)1.065= 575.1

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

answer: y = 3/2 x - 3

y = 1/8 x - 3/4 that would be your correct option

step-by-step explanation: w