The first six triangular numbers (1,3,6,10,15, 21) are printed once each on one side of a card. the cards are placed face down and mixed. choose two cards at random, and let x be the sum of the two numbers. construct the probability distribution for this random variable x.

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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