3. Find two arithmetic means between the terms 18 and 10.5. A 15, 12
B 15.5,13
C 12.5
D 10
Please hurry

C 15, 13.5
D 16, 12

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

Write the equation in logarithmic form 8^x=64

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?