Can someone answer pls gives 100 pints i think bc I picked 100

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

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42