Nigel tried to solve an equation step by step.
1/2(2h-4)=20


2h−4=10 step1
2h=14 step2
h=7 step 3
What step did he FAIL on?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?