At a school festival, a colored chip is randomly drawn out of a bag and replaced. The table below shows the results of 75 draws. Estimate the probability of choosing a green chip.
Outcome
Blue
Red
Green
Purple
Gold
Draws
18
14
16
8
19

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

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?