Brain liest for you7. On a hike, Peter walked 28 km in 7 h. a) What was his average rate of walking?
b) Suppose that he walked the 28 km in
8 h. What would his average rate of
walking be? do only b

Pls! does anybody know a shortcut for answering these types of questions in the future?

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)

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?