Triangle JKL has vertices J(0, 0) K(5, 0) and L(0, -3). Is triangle JKL equilateral? NEED ANSWER

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. the heights of the girls in an advanced swimming course are 55, 60, 59, 52, 65, 66, 62, and 65 inches. match the measures of this data with their values.

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

3x = 729 solve for x plz . it's urgent. will mark