Solve the equation.(x + 3)(x + 8) = 0
A. 3, 8
B. 3, -8
C. -3, 8
D. -3, -8
Answer: D
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Two sides and an angle are given. Determine whether the given information results in one triangle, two triangles, or no triangle at all. Solve any triangle(s) that results.A = 30°, a = 23, b = 46
A. B = 60°, C = 60°, c = 39.8 B. B = 60°, C = 90°, c = 39.8 C. B = 90°, C = 60°, c = 39.8 D. no triangle
Solve.The area of a square is 81 square centimeters. If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 square centimeters less than the area of the square. How much is added and subtracted?
A. 12 cm B. 3 cm C. 4 cm D. 9 cm
Find the mean. Round to the nearest tenth when necessary.The weights in pounds of the five books in Lynn's backpack are as follows: 1.6, 2.1, 2.6, 3.3, 2.6
A. Mean = 2 pounds B. Mean = 2.9 pounds C. Mean = 2.4 pounds D. Mean = 1.9 pounds
Factor using the formula for the sum or difference of two cubes.125x3 + 1
A. (5x - 1)(25x2 + 1) B. (5x - 1)(25x2 + 5x + 1) C. (5x + 1)(25x2 - 5x + 1) D. prime