HELP ASAP WILL MARK BRAINLIEST find the radian measure to the central angle of a circle whose radius is 6 cm, and that intercepts an arc of length of 27

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?

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?