Can i get help with c and d? the right answer will be marked as brainliest

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

Find the arc length of the semicircle. 7the grade

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is