What is the sum of 4.9x10^2 and 6.8x10^3

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5