Tina receives a weekly allowance from her parents. She spent half of this week’s allowance at the movies but earned an additional SAR 14 for performing extra chores around the house. If she did not spend any additional money and finished the week with SAR120, what is Tina’s weekly allowance? Write and solve an equation. Tina's goal is to save SAR1000 for her beach trip at the end of the summer. Use the amount of weekly allowance you found in part (a) to write an equation to determine the number of weeks it will take Tina to meet her goal.

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?