How can the triangles be proven similar by the SAS similarity theorem

Find the solution(s) to x^2-14+49=0

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.

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.