Hi, could anyone help please ? I can't manage to get this right...​

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.

Pls what is the relative minimum of the function? enter your answer in the box