Answer:
the upper layer of the Earth's mantle Bellow the lithosphere in which there is relatively resistance to plastic flow and convection is though to occur
<span>a transaction in which a foreign exchange debt owed by a developing country is transferred to another organization on the condition that the country use local currency for a designated purpose, usually environmental protection.</span>
The answer is 4t, since their is no number after the plus sign you would assume that their is a one place there. you would multiply 1 by t and by -2t which would leave you with this equation; 5t+1t-2t, which is simplified into 4t