Can someone please complete this and show the work? Grade 10 geometry find the value of X in circle Q

Given that abcd is a rhombus, what is the value of x?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid