Ralph is 3 times as old as sarah. in 6 years, ralph will be only twice as old as sarah will be then. find ralph's age now. if x represents sarah's age now, which of the following expressions represents ralph's age in six years?

What is the solution of log2  (3x  -  7)  =  3? 4 5

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?