Sara works for a hair salon and receives tips from her customers. The weekly tips (in AED) she received for 7 weeks are 200, 150, 100, 75, 60, 70, and 100.

a) Find the mean.
b) Find the median.
c) Find the range.
d) Find the mode.

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

Factor this polynomial completely x^2-64

Aquadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect.