What is 10.4 rounded to the nearest ten

For which pair of functions is (gof)(a)=|a|-2?

Is it greater than or less than7*3_9*2

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