What is the value of -16?
A. -4
B. -4i
C. 4i
D. 4;2

I don't get what d means and what it means by value but choose a.

it makes the most sense,

Step-by-step explanation:

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

eve and marks ratios are equivalent

step-by-step explanation: