Which of the following symmetries apply to the parallelogram? (select all that apply.)
question 3 options:
rotational symmetry of 180 degrees about the origin.
reflective symmetry over the line y = 3/5x
reflective symmetry over the line y = 5/3x

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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).

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.