Một kho hàng có 60% sản phẩm do nhà máy I cung cấp và 40% sản phẩm do nhà máy II cung cấp. Tỉ lệ chính phẩm nhà máy I, II tương ứng là 90% và 85%. Tỉ lệ phế phẩm của kho hàng là:

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?

The box plots show the distributions of the numbers of words per line in an essay printed in two different fonts.which measure of center would be best to compare the data sets? the median is the best measure because both distributions are left-skewed.the mean is the best measure because both distributions are left-skewed.the median is the best measure because both distributions are symmetric.the mean is the best measure because both distributions are symmetric