Peggy was taking a timed 30-question test. She was able to correctly answer 90% of the questions but had to skip the rest. How many questions did Peggy answer correctly?

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

Can some one explain this i got sent this. is this a threat i’m scared

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|