a bag contains 6 white balls 9 black balls and 4 red balls. Four balls are selected from this bag then find the number of ways that all four balls are of same colour

Will give brainliest summations with algebraic expressions image shown

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit