Gretchen bout some large vases for 11$ each some small vases 7$ each on clearance. If she bout 18 vases for 142$, how many large vases and small vases did she buy

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

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost