Solve for b. ab + c = d

a. b = a + c/d
b. b = a/(c - d)
c. b = (d - c)/a

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Which of the following describes how to translate the graph y = xi to obtain the graph of y = x - 11 - 12 1 unit left and 1 unit down 1 unit left and 1 unit up 1 unit right and 1 unit down 1 unit right and 1 unit up

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?