Plug 129 for x
(-12 x 129)+(14 x 129)-(6 x 129)
Which would be -1548+1806-774
Which equals -516
Answer:
Step-by-step explanation:
(1)

(2)
The initial condition is 
(3)
Infinitely many.
I think Lettuce leaf but it isn't clear what you're asking.
The best answer is "We can expect 135 of the grandparents to spend less than 2 hours a day online" because about 54% of all people said they spend >2 hours online everyday, and 54% of 250 is 135.
Hope this helps!
Answer:
the answer is C
Step-by-step explanation:
magazine = $4.99
book = $12.99
DVD = $17.99
total bill
= magazine + book + DVD
= $4.99 + $12.99 + 17.99
= $35.97
tax 6%
amount of tax
= 6% × total price
= 6/100 × $35.97
= $2.16
total bill including 6% tax
= total bill + amount of tax
= $35.97 + $2.16
= $38.13