The sum of two numbers is -1. when twice the first number and four times the second number are added the sum is -10.what are the two numbers

Select all the correct answers.natalie buys a new car. in the first month, the odometer on the car records 800 miles. from past experience, she expects to drive 900 miles per monthselect all the functions that can be used to find the number of miles, f(n), recorded on the odometer after n months.of(n) = 800n + 100f(n) = 9001 - 100f(n) = 900n + 800(1) = 800; }(n) = f(n - 1) + 900, for n > 2f(1) = 800; 1(n) = f(n − 1) + 100, for n > 2(1) = 900; }(n) = f(n - 1) + 800, for n > 2

Empty box + box + empty box fill in the box is equal to 30 how

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression