The cost of a coffee is determined by the type of coffee beans that are mixed together. the cost of a local mix of arabica and robusta beans is molded by the equation below, where a= the pounds of arabica and r= pounds of robusta 700a+1200r=1,000,000 if a mixture contains 1000 pounds of arabica bean, how many pounds of robusta beans should be in the mixture

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

How many bananas are in a fruit bowl that has 200 total apples and bananas if there are 31 bananas for every 93 apples

Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.