add integers with like signs, add the integers with unlike sign's subtract the integers and copy the sign of the integers with greatest value give me a two example

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64