What is s and what is t?

Step-by-step explanation:

S = 2

T = -2

so in S - T = 4. 2 - -2 = 4

IN S + T = 2  S + - 2 = 2

s - t = 4 1

s + t = 2 2

Using elimination method,

s - t + s + t = 4 + 2

2s = 6

s = 3

Now putting value of x in equation 1,

s - t = 4

-t = 4 - s

-t = 4 - 3

t = -1

Hope this helps :)

your answer would be b

step-by-step explanation:

answer:

a=9

step-by-step explanation: lmk if you need a explanation