Laney bought a cup of coffee and two cookies at her local coffee shop. The coffee cost $1.89. She got $1.23 back as change from the $5.00 bill she gave the cashier. How much did each cookie cost?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet