Write the sentence as an inequality.
The sum of a number y and 9 is at least -1.

y +9 >= -1

Sum of a number(y) and 9. Is greater than or equal to negative one. Sum means add, so add y, and 9. It has to be atleast negative one, so greater than (0,1,2,3...), or equal to(-1).

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answer:

c. the third graph

there is no question content here, but you for the free points! : d