Nicole and Kim each improved their yards by planting grass sod and shrubs. They bought their
supplies from the same store. Nicole spent $69
on one ft2 of grass sod and 6 shrubs. Kim spent $80
on one ft2 of grass sod and 7 shrubs. What is the
cost of one ft2 of grass sod and the cost of one shrub?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

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).

Find the value of x for which line a is parallel to line b