A company is buying 8 planes, there are 2 types of planes that they need to purchase . The larger planes cost 2million dollars and the smaller planes cost 1.5million dollars . How many of each type of plane can they purchase with a budget of 13.5 million dollars ?

4+6x-3x^3 in standard form with explanations because i don’t understand

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

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).