Given that XY is a line segment which the angle a=46 work out the the value of the angle marked b

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20