Shiela is x years old. Cara is 2 years older than 3 times Sheila’s age. Flo’s age is the square of Shiela’s age. What is the sum of their ages?

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7

Ineed to find the answer to number 2

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)