What amount must you invest at the beginning of every year, for 5 years, at 10% compound interest, so that at the end of 10 years, you will have saved $1 000 000?

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.