Identify the following quadric surface.
?
?
A. elliptic cone
B. hyperboloid of two sheets
C. elliptic paraboloid
D. ellipsoid
E. hyperboloid of one sheet
Answer: A
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Provide an appropriate response. Determine the degree measure of ? if sin ? = 0.7022 rounded to the nearest tenth.
A. 45.4° B. 44.6° C. 0.8° D. 35.1°
Suppose that the average adult in the United States will work x number of days (rounded to the nearest day) to earn enough to pay for all of the household's leisure activities in that year. This number can be calculated by multiplying the average percent of household income spent on leisure activities by 365 (the number of days in a year). The bar graph shows the percent of income spent in various countries of the world. Use the graph to answer the question.
In which country is the highest percent of income spent on leisure activities? What percent is this?
A. Japan; 25.5% B. USA; 27.7% C. USA; 72.3% D. China; 93.2%
Solve the inequality. Write the solution set in interval notation and graph it.-3 ? 3 + 
q ? 4
A. [-12, 2]
B. (-12, 2)
C. (-6, 1)
D. [-6, 1]
Use the discriminant to determine the number and nature of the solutions to the quadratic equation. Do not solve the equation.x2 - 2x + 7 = 0
A. exactly one real solution B. two real solutions C. two nonreal solutions