On sunday, sheldon bought 3 and 1/2kg of plant food. he used 1 and 2/3kg on his strawberry plants and used 1/4 kg for his tomato plants . how many kilogramsof plant food did sheldon have left? write one or more equations to show how you reached your answer.

Can some one me with these questions

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices

Paper plates cost $8 per package and plastic utensils cost $5 per package. your supplier delivers 15 packages for a total cost of $90.