$10,000 is invested at two different rates. $4,500 is invested at 4%, and the rest is invested at 5%. how much interest is earned at the end of one year? show all work for full credit.

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?