Katrina wrote this equation. −10(5−7)=−10⋅5−(−10⋅7)=−50−(−70)=−5 0+70=20

Which best describes Katrina’s work?

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

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

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !