C. RS/XZ = RT/YZ
d. m

Help me please

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Is the square root of 4 plus the square root of 16 rational?

Aphrase is shown read the phrase and give me the answer