Solve the system graphically.
?
?
?
A. (-7, -5)
B. (9, -9)
C. (7, 5)
D. (9, 5)
E. (-9, -9)
Answer: C
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Solve the problem.A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of 
What dimensions yield the minimum surface area? Round to the nearest tenth, if necessary.
A. 11.6 ft × 11.6 ft × 0.5 ft B. 4.1 ft × 4.1 ft × 4.1 ft C. 5.9 ft × 5.9 ft × 2 ft D. 5.1 ft × 5.1 ft × 2.6 ft
Find the cardinal number of the set.Given:n(A ? B ? C)= 165n(A ? B ? C)= 22n(A ? B)= 46n(A ? C)= 43n(B ? C)= 41n(A)= 111n(B)= 82n(C)= 80Find n(A' ? B ? C)
A. 18 B. 20 C. 21 D. 19
Write the number in standard form.It takes approximately 1.578 × 10-5 miles to equal one inch.
A. 0.0001578 B. 0.000001578 C. 157,800 D. 0.00001578
Use the figure to find the exact value of the trigonometric function.Find sin 2?.
A. 
B. - 
C. 
D. - 