Jennifer has a map of yellowstone national park. the scale on this map is 1 cm = 9.8 miles. jennifer measured some distances on the map. what is the actual distance from old faithful to west thumb? a) 22.54 miles b) 24.5 miles c) 27.44 miles d) 29.4 miles

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.