Which number sentence below matches this word problem?
There are 3 days until Richard's concert. Susie's concert is 8 days after
Richard's. How many days are there until Susie's concert?

Can someone check my answer? you : )

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.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels