Bert earns $35,000 gross annual salary. in bert's jurisdiction there is a progressive tax system with rules as follows: any amounts earned up to $20,000 are taxed at x%. any amounts earned beyond $20,000 are taxed at 20%. given that bert pays $4,500 per annum in income tax, calculate x. give your answer to the nearest tenth of a percent. do not include the percent symbol in your answer.

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

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7