The angles of a triangle are x^0, 2x^0 and (2x+5)^0 find the size of the angles

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

What function has a range {yly< 5}? question on picture above^