Step-by-step explanation:
A....
Solution ,





Change the sign of both side


B....
Solution,

Multiply the both side by the least common multiple to eliminate the fraction...




Both of these types of rocks would be susceptible to weathering and erosion.
Thus, the answer would be:
C. Both igneous rocks and metamorphic rocks.
Answer:
90°
Step-by-step explanation:
a square in the corner of an angle always indicates 90° because each corner of a square is also 90°
40/2=20
Therefore he can cover 20 miles in 1 hour
Hope this helps!
A. According to my calculations, on the first week they band members made 1,645 dollars.
B. I'm not really sure on B......SORRY :,(((((