If 424 students attended the spring dance, how many students attended the fall dance?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.