Aplumber charges an initial fee of $200 plus an hourly fee of $50. mr. collins paid the plumber $450. how many hours did the plumber work ?

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.