Question 8 (6 points) question 8 unsaved adrian has a square bedroom. if each side is 10 ft long, what's the area of his room? question 8 options: 100 ft² 50 ft² 25 ft² 20 ft² save question 9 (10 points) question 9 unsaved adrian has a square bedroom. the area of the room is 169 ft². how would you find the length of one side of his room?

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Yvaries inversely as x. y =12 when x=5. find y when x=4

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?