Add the x^3:- 6 x3 + 3x3 = 9x3
x's:- -8x + 6x = - 2x
-5 + 2 = -3
the first choice is the correct one
2(t-11) would be the answer i think
Answer:
4
Step-by-step explanation:
The principal square root is the positive square root
sqrt(16) = ±4
taking the positive square root
4
Answer:
Each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses
Step-by-step explanation:
Let x denotes number of boxes to be sold by each scholar to raise enough money to cover the team's travel expenses.
Number of scholars = 7
Total number of boxes 
Total number of chocolate bars 
Price of 1 chocolate bar = $2
Price of
chocolate bars 
Also,
Total amount to be raised for travel expenses = $1680
So,

Therefore,
each scholar have to sell 4 boxes in order to raise enough money to cover the team's travel expenses