Answer:
x = -28
Step-by-step explanation:
−1/4x=7
Multiply each side by -4 to isolate the variable
-4 * −1/4x= -4*7
−1/4x=7
9a - c Replace a with -7 and c with 6
9(-7) - 6 Multiply 9 by -7
-63 - 6 Subtract
-69
2.8 hours (that is if you are counting each way each day if you are just counting one way each day it is 1.4 hours)
Answer:
third option mechanical weathering
Step-by-step explanation:
in mechanical weathering it breaks the rock into smaller pieces . these smaller pieces are just like the bigger rock , just smaller .