<span>S= (a+b)^2+(4a+b-2)^2+(9a+b-4)^2
98a+14b-44=0
14a+3b-6=0
a=24/49, b=-2/7
y = (24/49)x^2-(2/7)</span>
4/6=2/3 (divide both numerator and denominator by 2 (gcd)).
Hope this helps.
ANSWER: $432
STEP-BY-STEP EXPLANATION:
The cost of the tablet is $360
Then Tabitha has to pay 20% sales tax.
The tax is the prices times 20% plus the original price
360 ( 1+ 0.2)
360 (1.2)
=432
Algebraic expression: 100 = 25 + n
Answer: n = 75
Answer: 6 inches
Step-by-step explanation:
1.5 miles wide * 1 inch / 0.25 miles = 6 inches :D
