15. Cât la sută reprezintă: a) 15 din 450;
b) 220 din 60;
d) 0,(5) din 0,(3);
e) 1,(2) din 0,(4);

c) 14 din 420;
f) 1,(1) din 6,(6)?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours