A reflection is a transformation that maps every point in △DEF over a line, XY←→, to △D′E′F′ so that (blank) and (blank)

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Which graph represents the equation y =4x

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?