Solve the problem.A certain number is three times as large as a second number. Their sum is 100. What are the two numbers?
A. 23 and 69
B. 25 and 75
C. 78 and 22
D. 23 and 77
Answer: B
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Find the linear approximation of the function at the given point.
at 
A. 
B. 
C. 
D. 
Solve the problem. Round to two decimal places if needed.Find the area of the sector of a circle of radius 4 inches formed by a central angle of 90°.
A. 3.14 square inches B. 25.12 square inches C. 6.28 square inches D. 12.56 square inches
Find the slope and the y-intercept of the line.y = -2x + 3
A. slope: 2; y-intercept: (0, 3) B. slope: 3; y-intercept: (0, -2) C. slope: 3; y-intercept: (0, 2) D. slope: -2; y-intercept: (0, 3)
A swimming pool contains 32,000 gallons of water. How many gallons of chlorine must be added to "shock the pool" and bring the water to a 
% solution?
?
Please enter your answer as a number without the units. Round the answer to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).