May I receive help with question one. I’m sorry I need all this help. I haven’t been in school in 20 years thank you in advance

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove