A woman has a total of $ 14 , 000 to invest. She invests part of the money in an account that pays 9 % per year and the rest in an account that pays 11 % per year. If the interest earned in the first year is $ 1420 , how much did she invest in each account? I need some help?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your