The RADIUS of the barrel is 4. What is the area of the barrel?

Working on itts i’m going to need you to me as i go along 1-5

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 word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom