Cassy asks a random sample of students at his school about their natural hair and eye colors. The results of his survey are shown in the relative frequency table. In the sample, there are 4 more students with brown hair and blue eyes than blonde hair and blue eyes. How many total students have black hair?

Which expression is equivalent to -5(3x - 6/7)

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?