Need help with these 4 problems please

Lindsay is creating a bridge out of dried pasta and glue. in her plans, she sketches the graph to determine the lengths of the noodles, in centimeters, needed for the arch to increase the length of the bridge in 1 centimeter increments. which function did lindsay use to create her design? f(x) = (x – 5)2 + 8 f(x) = –(x + 5)2 + 8 f(x) = 0.5(x + 5)2 + 8 f(x) = –0.5(x – 5)2 + 8

Can (3,5 and square root 34) be sides on a right triangle?

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.