Simplify the expression by combining like terms
7m+2n-3m+8n-4m​

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?