Whats 387 rounded to the nearests 100

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Which of the following represents the factorization of the trinomial below? x^2+7x-30