Write an exponential function represented by the graph. (0,8)(1, 4)(2,2)(3,1)​

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x