Can someone help me with this last question please it's currently 3:43 PM and I still havnt eaten lunch plz I am VERY TIRED PARALLELOGRAM ABCD HAD DIAGNALS AC AND DB THAT INTERSECT AT P.
IF AP=8x-56, PC=24, PB=36, PD=4y + 20, AB=4x + 3y, and BC=5x - 4y find the perimeter of the parallelogram show your work
please.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).