Combine like terms:
2 - 5x – 8+ 7x + 9+y
How many of each do we have?

Find the given elements if matrix d:

Write the sentence as an equation. b increased by 281 is d

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.