Step-by-step explanation:
-10 + ( -10)
= -10 - 10
= - 20
Hope it will help .
The graph does not support his claim. The vertical scale does not start At 0 which distorts the percent of change.
The total amount Serena earns is the sum of her regular wage and the tips. The amount she earns from the wage is equal to 9h. This total should be more than or equal to $110. This is mathematically expressed as,
9h + 15 ≥ 110
