Write an equation to describe the sequence below use n to represent the position of a. term in the sequence where n=1 for the first term -3/2 9/10 -27/50

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

Me because some of question i don’t understand

Iwill give you ! what is the measure of ∠v ?