The ratio of boys to girls in a class is 4 : 5

a) What fraction of the class are girls

b) What fraction of the class are boys

The distance from Earth to Pluto is 4806000000 km. Write this number in scientific notation.

Expand: In (4a) ^3 - 3 In 4 + In a - 3 In 4 - 3 In a - 3 In 4 + 3 In a

Joe was given $20 for his birthday. He then saved $10 per week from his allowance. Write a function to represent this situation

104, 137, 154, 131, x, mean = 130

Is 3/8 greater than less than or equal to 3/4

What is the probability of getting heads when flipping a coin and getting a number greater or equal to 3 when rolling a single. die

60% of 220 is what number?

Christopher bought a new pair of shorts at the store when they were having a 5% off sale. if the regular price of the pair of shorts was $17 how much did christopher pay with the discount?

A shape can have more than 360° of rotational symmetry. True or False

If a road sign is red then it is a stop sign"" what is the converse for this statement