QUESTION 4 4.1 Simplify the following trigonometric expressions without the use of a calculator
cos300°-tan(-3159)
411
sin 150°+tan135°​

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers