Can someone please simplify 6(x+3)

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Prove that quadrilateral is a rhombus.