Which transformation represents a reflection over the y-axis? A. (x, y) → (−x, y)
B. (x, y) → (x , −y)
C. (x, y) → (y, x)
D. (x, y) → (−y, x)

the answer is b

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950

answer: it is d

step-by-step explanation: