Nina graphs how much money she makes per hour mowing her neighbors' lawns. She finds that the graph tends to be linear and draws a line that passes through the points (4,22) and (6,32). About how much does she earn per hour? A. $4.00 C. $5.00
B. $4.50 D. $3.50

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

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?

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?