(2a-7)+5(a+3) which expression is equivilant
A : 3a+8
B:7a+8
c: 7a-4
...
Mathematics, 15.12.2020 19:00 jadenp23
(2a-7)+5(a+3) which expression is equivilant
A : 3a+8
B:7a+8
c: 7a-4
d :7a+22 PLZ HELP ITS MY FINAL
Answers: 2
Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
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