−5.8c+4.2−3.1+1.4c what is this in simple form

Combine like terms. Like terms have same variable with same power.

Here (-5.8c & 1.4c are like terms and 4.2 and (-3.1) are like terms)

-5.8c + 4.2 - 3.1 + 1.4c = -5.8c + 1.4c + 4.2 - 3.1

= -4.4c + 1.1

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles