Cindy needs to order 150 invitations which are sold in packs of 20 how many packs does cindy need to buy

a 6
b 7
c 8
d 9

me on this kinda stuck

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a