Can someone help? The cone pictured has a surface area of ? square meters. (Use 3.14 for π .)

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?