Which of the following expressions is equivalent to 6 - (-5)?
a. 6 - 5
b.6 + 5
c.-6 + 5
d.-6 + (-5)

Awork system has five stations that have process times of 5, 9, 4, 9, and 8. what is the throughput time of the system?

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg