Is 6^p > 0, then p > 0. Is this statement true, sometimes true, or not true?

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )

Use the balanced scale to find the number of grams in 17 kilograms.