Christopher is deciding between two different movie streaming sites to subscribe to. Plan A costs $31 per month plus $2 per movie watched. Plan B
costs $11 per month plus $3 per movie watched. Let A represent the monthly
cost of Plan A if Christopher watches x per month, and let B represent the
monthly cost of Plan B if Christopher watches x movies per month. Write an
equation for each situation, in terms of x, and determine the interval of
movies watched, x, for which Plan A is cheaper than Plan B.

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Rationalize the denominator- 12x/√x-10