Prove that: 6^7-6^6+6^5 is divisible by 31
15 points!!!

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

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.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?