Which set of measurements could possibly fit the given cone diagram?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Find the area of the regular hexagon if a side is 20 cm.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.