1/2 log base 2 (25) - 3/2 log base 2 (x) =4 i am not sure how to solve this. could you show all the steps ?

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Add. express your answer in simplest form. 12 9/10+2 2/3 = i need u guys to me find the answer to this question

Write an expression that represents the sum of 7 and x