Tell whether or not the relation is a function.{(-3,5), (-1,6), (3,-5), (6,8)}
A. Yes
B. No
Answer: A
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Find any intercepts. Then graph the linear equation.-x + 4y = 16
A. (-16, 0); (0, -4)
B. (-4, 0); (0, 4)
C. (-16, 0); (0, 4)
D. (-16, 0); (0, 16)
A forester from his vantage point on a hillside sees a puff of smoke in a valley below him. He measures the angle of depression (the acute angle between the horizontal and the line of sight) to the smoke from his position to be 21°13'15" (see figure). Find the measure of ?PSF in degrees, minutes and seconds.
The perimeter of the square is to be from 8 meters to 28 meters. Find the range of values for its area S. ?
A. 
B. 
C. 
D. 
E. none of the above
Solve.The hypotenuse of a right triangle is 8 feet less than three times the shorter leg and the longer leg is 8 feet more than twice the shorter leg. Find the lengths of the three sides of the triangle.
A. 18 ft, 44 ft, 46 ft B. 15 ft, 36 ft, 39 ft C. 30 ft, 68 ft, 82 ft D. 20 ft, 48 ft, 52 ft