Solve the problem.y1 = 7x - 8; y2 = -2x + 4Graph y3 = y1 + y2.
What will be an ideal response?
intercepts: (0, -4), (
, 0)
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Calculate the direction of 
and the midpoint of line segment P1P2. P1(5, -2, 7) and P2(9, -5, 2)
A. 
i + 
j + 
k; 
B. 
i + 
j + 
k; 
C. 
i - 
j - 
k; 
D. 
i - 
j - 
k; 
Solve the problem.Suppose the consumption of electricity grows at 6.6% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth.
A. 1.66 yr B. 0.17 yr C. 16.65 yr D. 45.45 yr
Find the selling price per item to the nearest cent.Total cost: $247Quantity: 46 pr.Unsaleable: 6 pr.% Markup on selling price: 41%
A. $3.81 B. $4.38 C. $9.10 D. $10.47
Multiply mentally.(4x2 + 3)(x - 6)
A. 4x2 - 21x - 18 B. 4x3 - 21x - 18 C. 4x3 - 24x2 + 3x - 18 D. 4x2 - 22x - 18