A woman received a discount of 20% on a piece of cloth she purchased from a shop. If she paid $525.00, what was the original price?

The interquartile range of distribution is 7. If the 25th percentile is 16, find the upper quartile.

The graph of the equations y = 2x + 5 and y = 2x\(^2\) + x - 1 are shown. Use the information above to answer this question.

Find the point of intersection of the two graphs.

The graph of the equations y = 2x + 5 and y = 2x\(^2\) + x - 1 are shown. Use the information above to answer this question. 

If x = -2.5, what is the value of u on the curve?

If (x + 2) is a factor of x\(^2\) +px - 10, find the value of P.