Which statement best describes how waves impact beaches? question options: (a) beaches change over time as waves move further up the shore. (b) beaches are always changing due to factors such as waves adding and eroding sand. (c) beaches change little over time as waves follow the same patterns year after year. (d) beaches change little over time as wind patterns stay the same.

seeing as erosion in this topic i believe the answer would be B) Beaches are always changing due to factors such as waves adding and eroding sand.

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles