The owner of a bike shop sells tricycles (3 wheels) and bicycles (2 wheels), keeping inventory by counting seats and wheels. one day she counts35 seats and 80 wheels. how many of each type of cycle are there?

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

7+(3n++8) what is the answer to this?

What is 10+10+20 about the origin the square root of a triangle.