twenty percent of students in your school have blue eyes. Of a sample of students in your school, the ratio of students with blue eyes to students with eyes that are not blue is 1 : 4. Does the sample closely estimate the percentages of students in your school with blue eyes

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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answer: 5100 just subtract

step-by-step explanation:

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation:

it would rotate about 180 degrees.