How does our earths atmosphere and hydrosphere work together to cause weathering and erosions and change the land give an example

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?