your grade in a course is determined by averaging two quizzes and a final exam which counts double your grades on the two quizzes were 87 and 91 what grade must you get on the final exam to have a course average of 94 ?

What is the reflection image of (5,-3) across the line y = -x?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,