What’s the slope of ( 10, 5 ) , ( -8,9 )

What is the inverse of the function f(x) = 2x + 1?

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%

What is negative 3/9 times negative 2/8 ?