Iam heading north at 40 miles an hour. 30 min later my wife leaves traveling on the same route at 50 miles per hour. how long till she catches me?

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

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?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6