Find the base area of a square pyramid whose base has a side length of 12cm.
A) 148 B) 144 C) 143 D) 140

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of