List the three types of straight lines that are widely used in drawing and sketching.
What will be an ideal response?
The three types of straight lines that are widely used in drawing and sketching are: (1) horizontal, (2) vertical, and (3) inclined or slant lines.
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The Midwest produces approximately _____ percent of the nation’s milk supply
a. 50 c. 75 b. 34 d. 26
Crash testing is a highly expensive procedure to evaluate the ability of an automobile to withstand a serious accident. A simple random sample of 12 small cars were subjected to a head-on collision at 40 miles per hour. Of them 8 were “totaled,” meaning that the cost of repairs is greater than the value of the car. Another sample of 15 large cars were subjected to the same test, and 5 of them were totaled. Find a 95% confidence interval for the difference in the proportions of small cars and large cars that are totaled.
What will be an ideal response?
Most braided ground straps are ________
A) Insulated B) Made of high resistance wire C) Uninsulated D) None of these
The EPA requires the repair of refrigerant leaks:
A) Only in systems containing HFC refrigerant. B) Only in systems containing CFC refrigerant. C) Only in systems with a refrigerant charge greater than 50 pounds. D) For all types of leaks in all kinds of systems.