Millie works 8 hours each saturday and earns £50. on a saturday she spends £2.75 on bus fares and £4.25 on lunch.
what percentage of her earnings does she spend on bus fares and lunch?

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices