Remove 8 matches to leave just 2 square which should not touch
help

Could someone with number 1 and 2

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

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?