Find the fourth term of the geometric sequence given


Mathematics

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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with y-intercepts ±8; foci at  and .

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics

Find the product.(x + 7y)(3x - 8y)

A. x2 + 13xy - 56y2 B. x2 + 13xy + 13y2 C. 3x2 + 13xy - 56y2 D. 3x2 + 13xy + 13y2

Mathematics

Solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the slope of the line.

A. 10.1 points per thousand dollars B. 100 points per thousand dollars C. 1 point(s) per thousand dollars D. 1000 points per thousand dollars

Mathematics

Solve the problem.A man is planting a section of garden with tomatoes and cucumbers. The available area of the section is 120 square feet. He wants the area planted with tomatoes to be more than  of the area planted with cucumbers. Write a system of inequalities to describe the situation. Let  to be planted in tomatoes and  to be planted in cucumbers.

A. x + y ? 120 x < 0.30y x ? 0 y ? 0 B. x + y = 120 x ? 0.30y x ? 0 y ? 0 C. x + y ? 120 x > 30y x ? 0 y ? 0 D. x + y ? 120 x > 0.30y x ? 0 y ? 0

Mathematics