Find 20% of 55.22113530find 12% of 20022243440what is the best estimate of 42% of 756? 320240400420 find 11% of 4604640.650. 656

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Me. i can't figure out this question. give an explanation too. .

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?