The base of a window is 7.7 m above the ground. The lower end of a ladder is 3.7 m from the side of the house.How long must a ladder be to reach the base of the window? Use the rules for working with measurements.
A. 6.3 m
B. 5.2 m
C. 8.5 m
D. 11.4 m
E. 9.6 m
Answer: C
Mathematics
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Use the graph to estimate the specified limit.Find 
f(x)
A. - 
B. 
C. 
D. -3
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Find the center (h, k) and radius r of the circle with the given equation. x2 - 2x + 1 + (y + 3)2 = 49
A. (h, k) = (3, -1); r = 49 B. (h, k) = (1, -3); r = 7 C. (h, k) = (-3, 1); r = 7 D. (h, k) = (-1, 3); r = 49
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Combine.3.5 + (-2.1) - (-4.4) - 4.9 + (-0.2)
A. 0.7 B. 10.5 C. 1.7 D. 6.3
Mathematics
Is the statement correct?The set of primes together with the set of composites is the set of natural numbers.
A. yes B. no
Mathematics