Sydney is 5 feet and 1 inch tall. what would her height be in centimeters? (1 foot = 12 inches, 1 inch = 2.54 centimeters)

these are my options
24.015 centimeters 62.54 centimeters 154.94 centimeters 155.448 centimeters

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

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?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.