A boat travelled against the current between two harbors in 40 minutes and returned with that current in 6 minutes less than it would take in still water. Find the greatest number of minutes for the return trip. A,18 B,5 C,24 D,10 E,25
Thanks in advance.

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.

With #! i’ve tried to figure it out but i can’t.

Abcd is a square. what is the measure of angle bac