A pet store donated a percent of every sale to charity. The total sales were $7,450 so the store
donated $447. What percent of $7,450 was donated to charity?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.