According to the rules of significant figures, 3.92 +0.7. = 4.6. This is because the least precise value in the problem is 0.7, which is precise only to thetenths digit, so the answer must also be rounded to the nearest tenth. A. True
B. False

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y