Subtract 7xy-1+x^2y^2+2y^2 -8xy2 from 9x^2y^2 - 6xy^2 + xy +5-x^2

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Correct answer brainliest asap an d 99 pointsss what are relative frequencies to the nearest hundredth of the columns of two way table column a 102, 18 colunm b 34, 14 answers choices 0.15 0.25 0.29 0.44 0.56 0.71 0.75 0.85

Acircle has a circumference of 28.36 units what is the diameter of the circle