Evaluate −9x−2 when x=−4 .

It's 34

Step-by-step explanation:

-9(-4) = 36

36-2=34

34

Step-by-step explanation: Using the rules of PEMDAS you would multiply the negative nine and the negative four together. Negative nine times negative four equals positive thirty-six (because the negatives cancel out each other) and thirty-six minus two is thirty-four.

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

x> 6

step-by-step explanation:

8x+8> 7x+14

8x-7x> 14-8

x> 6