Sorry this is posted so late but please help! Blank 1 options: not blinded, blinded, double-blinded

Blank 2 options: neither the subjects nor the researchers, only the subjects, only the researchers

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Which of the following shows the length of the third side, in inches, of the triangle below