Știind că : ab+bc=10 și b=5, calculați 5 x(a+c)
Dau coroana și puncte pls :(

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?