Find the exact value of cos a, given that sin a= 8/11 and
a is in quadrant i.
cos a= ?
(simplify your answer. type an exact answer, using radicals as needed.)

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?