Use the Consumer Price Index below to answer the question.
Find the inflation rate from 1986 to 1987. If necessary, round values to the nearest tenth.
A. 1.0%
B. 4%
C. 3.6%
D. 3.5%
Answer: C
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Write the inequalities that describe the constraints on production.The Pen-Ink Company manufactures two ballpoint pens: silver and gold. The silver requires 7 minutes in a grinder and 12 minutes in a bonder. The gold requires 7 minutes in a grinder and 9 minutes in a bonder. The grinder can be run no more than 610 minutes per day and the bonder no more than 230 minutes per day. Let x represent the silver pens and let y represent the gold pens.
A. x + y ? 610, x + y ? 230, x + y ? 840, 
, 
B. 0 ? 19x + 16y ? 840, 
, 
C. 7x + 12y ? 610, 7x + 9y ? 230, 
, 
D. 7x + 7y ? 610, 12x + 9y ? 230, 
, 
In ?ABC, D is on BC so that AD is the perpendicular bisector of BC. If ?BAD = 23°, find the measure of ?BCA.
What will be an ideal response?
Solve the problem.A projectile is fired from a cliff 600 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 130 feet per second. The height h of the projectile above the water is given by 
where x is the horizontal distance of the projectile from the base of the cliff. Find the maximum height of the projectile.
A. 996.09 ft B. 732.03 ft C. 132.03 ft D. 264.06 ft
Graph the solution set of the system of inequalities or indicate that the system has no solution.
A. 
B. 
C. 
D. 