what would what would 2,873,550,000 be in Scientific notation if its not good ill not mark you for a brainy

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

Determine domain and range, largest open interval, and intervals which function is continuous.