Which statement is correct? a horizontal line has no slope. a vertical line has a slope of zero. a line that rises from left to right has a positive slope. a line that falls from right to left has a negative slope.

C

Step-by-step explanation:

Because the it goes in the positive direction.

answer: 2x + 2 − 2 = 10 − 2; subtraction property of equality

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