1. In the diagram below, mzBDC = 100° MZA = 50°, and m2DBC = 30°
B
A
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Which statement is true?
(1) AABD is obtuse
(2) AABC is isosceles
(3) LABD = 80°
(4) AABD is scalene

What number produces an irrational number when multiplied by -1.25

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.