Solve the problem.A biologist collected 115 fern and moss samples. There were 71 fewer ferns than moss samples. How many fern samples did the biologist collect?
A. 22 fern samples
B. 82 fern samples
C. 93 fern samples
D. 44 fern samples
Answer: A
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Illustrate and find the product by the indicated method.A = {i, a} and B = {t, d, m}. Use a crossing-line pattern to find A × B.
A. {i, t} × {a, d} × {m} = 8
B. {i, a} × {t, d, m} = 6
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r csc ? = -6
A. x2 + (y + 3)2 = 9; circle, radius 3,
center at (0, -3) in rectangular
coordinates
B. x2 + (y - 3)2 = 9; circle, radius 3,
center at (0, 3) in rectangular
coordinates
C. (x + 3)2 + y2 = 9; circle, radius 3,
center at (-3, 0) in rectangular
coordinates
D. (x - 3)2 + y2 = 9; circle, radius 3,
center at (3, 0) in rectangular
coordinates
Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither.f(x) = x(5 - x2)
A. origin symmetry B. y-axis symmetry C. neither
Find the product and simplify.
? 
A. 
B. 3
C. 3
D. 