Given: ABC is a right triangle with right angle C. AC = 15 centimeters and mZA= 40°
What is BC ?
Enter your answer, rounded to the nearest tenth, in the box.
cm

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

Which point has an coordinates of (2,0) ? a

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?