If I had 10 dollars and bought a3 things a pen for 1.75 and a paper for 1.33 and a ruler. my change was 6.08 how much did the ruler cost

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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).