Find the standard equation of a parabola with the given focus or directrix. Assume that the vertex is at the origin.Directrix x = -9
A. y2 = -9x
B. x = 36y2
C. y2 = 36x
D. x2 = 36y
Answer: C
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Provide an appropriate response.Choose the inequality that corresponds to the graph:
A. 2x + 5y < 10 B. 2x + 5y > 10 C. 2x + 5y ? 10 D. 2x + 5y ? 10
Solve the problem. Round to the nearest hundredth if necessary.A restaurant serves dessert in a cone-shaped dish with a diameter of 9 cm. If the dish is 14 cm deep, how many cubic centimeters of dessert can the dish hold? Use 3.14 as the approximate value of ?.
A. 296.73 cm3 B. 1186.92 cm3 C. 131.88 cm3 D. 890.19 cm3
Provide an appropriate response.A number rounded to the nearest thousand is 89,000. What is the largest whole number this could have been before rounding?
A. 89,999 B. 89,500 C. 89,499 D. 88,999
Evaluate the expression for other given values of the variables.7x - 7(x + 4) for x = -9
A. -23 B. -42 C. -28 D. -31