Find the degree measure. Round to two decimal places.
51.14°
Mathematics
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Use the formula Z = 
from statistics (a formula used to determine the relative value of one observation to another) to evaluate the expression for the given values. Write the exact value and then write your answer rounded to two decimal places.X = 140, ? = 150, ? = 18, n = 21
A. 
, 73.83
B. 
, -0.12
C. 
, 3.52
D. 
, -2.55
Mathematics
Multiply the expressions.(3y + x2)(3y - x2)
A. 9y2 - x4 B. 9y4 - x4 C. 6y2 - x4 D. 9y2 - x2
Mathematics
Find the quadratic function whose graph contains the given points.
, 
, 
A. f(x) = 4x2 - 3x - 4 B. f(x) = -4x2 - 3x + 4 C. f(x) = -4x2 - 3x - 4 D. f(x) = -4x2 + 3x - 4
Mathematics
Find the quotient and the remainder.x2 + 7x + 8 divided by x + 5
A. x + 2; remainder -2 B. x + 2; remainder 0 C. x + 3; remainder 0 D. x + 2; remainder 2
Mathematics