What is 801,000,000 written in scientific notation? i will up vote all of the numbers next to 10 are to the power of 80.1×107 8.01×107 8.01×108 8.01×109

Acar dealership pays you 5% commission on your first $10,000 on car sales and 8% commission on the sale amount over $10,000 if you sold a $12,000 car how much is your commission

Given f(x) = 10x + 4 and g(x) = 3x - 8, what is f(x) + g(x) ? - 7x - 4 - 13x + 4 - 7x + 4 - 13x - 4

1. are the triangles similar and if so why? what is the value of x? show your work.