Write an equation that represents the given information. do not solve the equation.

katie spent $1 more than mark. together they spent $5. how much did mark spend?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.