Estimate the product by first rounding each number so that there is one nonzero digit.1.51 × 415.4
A. 400
B. 1000
C. 800
D. 880
Answer: C
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Find the domain and graph the function.f(x) = -7x + 9 
A. D: [0, ?)
B. D: (-?, ?)
C. D: (-?, ?)
D. D: (-?, ?)
Solve the problem algebraically. Clearly define all variables, write an appropriate equaion, and solve.A triangular-shaped stained glass window has two sides that are each 36 inches shorter than four times the length of the shortest side. If the perimeter of the window is 198 inches, what are the lengths of the three sides?
A. 30 inches, 84 inches, 84 inches B. 30 inches, 120 inches, 120 inches C. 30 inches, 54 inches, 54 inches D. 30 inches, 96 inches, 96 inches
Using the Law of Sines, find angle C and sides a and b if angle A = 30ø, B = 70ø and side c = 10.
What will be an ideal response?
Evaluate. If necessary, find common denominators and simplify completely.9
- 1
+ 5
A. 13
B. 13
C. 3
D. 13