Determine whether the ordered pair is a solution of the system of linear equations.(-2, -4), 
A. Yes
B. No
Answer: A
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Find the midpoint of the line segment joining the points P1 and P2.P1 = (4b, 6); P2 = (5b, 5)
A. 
B. 
C. 
D. 
The percent of light that will pass through a material is given by the formula lgP = -kd, where P is the percent of light passing through the material (in fractions), k is a constant that depends on the material, and d is the thickness of the material in centimeters. The constant k for a piece of tinted glass is 0.4. How thick (in centimeters) is a piece of this glass that allows 50% of the light incident to the glass to pass through it? Round to the nearest hundredth of a centimeter.
a. 1.73 b. 0.75 c. 4.25 d. 9.78 e. 3.32
Solve the problem.Suppose the supply function of a certain item is given by 
and the demand function is given by 
Find the producers' surplus. Round your answer to three decimal places.
A. 0.773 B. 0.664 C. 1.337 D. 1.228
Fill in the blank with the appropriate measurement relationship.16 oz = 
lb
Fill in the blank(s) with the appropriate word(s).