Answer:
a linear equation
Step-by-step explanation:
6n+5=3n+20
<u>collect like terms</u><u>:</u>
6n-3n=20-5
3n=15
<em><u>divide both sides with the coefficient of n</u></em>
3n÷3=15÷3
n=5
<span>3√10+7√15-6√10-4√15 =
(7</span>√15-4√15)+(3√10-6√10) =
3√15 - 3√10
<span>B.3√15-3√10</span>
1 meter is 100 cm so that means 70 cm is 70% of a meter
Answer:(lxl)x(wxw)
Step-by-step explanation: