90 hazelnuts have a mass of 125g. Hazelnuts have 630 calories per 100g. Work out the number of calories per hazelnut.

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

What is the area of the trapezoid shown ?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl