Which equation represents the sentence?
the sum of 12 and a number is 4 times the number.

12 + 4n = n

12 + n = 4n

12n = 4 + n

12(n + 4) = n

What is the prime factorization of 230

Bring the fraction a/a-4 to a denominator of 16-a^2

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above