The table shows the highest of four students arrange the students in order from shortest to tallest kim 56.03 + x + 56.3 + 56.14 - 57.1

∠1 and ∠2 are complementary. ∠1=x°∠2=(3x+30)° select from the drop down menu to correctly answer the question. what is the value of x? . a.15 b.25 c.30 d.40 e.55

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle