CẦN GẤP 1) -xy(x+3y-2)

3) (x-y)(x^2+xy+y^2)+(2x-y)(x-y)

2) 4xy(x-1/2xy+1)

4) 2x(x+y)-(4x+2y)(3x-y)

5) 4x(x+2)(y+3-x)

6) (4-xy)(5x-3y)-(x+y)(x-3y)

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv