Find the surface area of the pyramid. The side lengths of the base are equal. The surface area is square centimeters.

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !