Consider the following system which has a solution of (-1,4) and Q, R, S, T, U and V are non-zero real numbers: Qx + Ry = S
Tx + Uy = V
Write two new equations that could be used to create an
equivalent system of equations.

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie