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The preterite tense is used when we are describing something that happened once in the past with a given time, for example: 'I picked up the phone last Tuesday when he called me'. The imperfect tense is u...

1. Write out all the information you have into one single equation, you know that the perimeter is the sum of the lengths of the sides of the triangle so write out the information as follows. x+3 + x+3...

Cosmological and teleological arguments are theological attempts to prove the existence of a god using the tools of logic in the absence of observable evidence. 
Cosmological arguments posit that a...

While the tense of a verb describes when an action takes place in time, the aspect describes how it takes place (whether it was done repeatedly or once, whether it is an ongoing process ...

Remember that for a general quadratic equation Ax^2 + Bx + C = 0, the sum of the roots = -B/A and the product of the roots = C/A.In our question, A = 1, B = 7, C = 13.So a + b = -7/1 = -7 and ab = 13/...