Roll the number cube 20 times to represent 20 purchases. What is the experimental probability of receiving a 50% coupon? Write the probability as a decimal.

With #! i’ve tried to figure it out but i can’t.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (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?