Answer:
X = 1
Y = -2
Step-by-step explanation:
Use simultaneous equations to work out.
Answer:
23
Step-by-step explanation:
Answer:
i think c
Step-by-step explanation:
Answer:
24
Step-by-step explanation:
tbh I am not sure if this is right but here
Answer:
280
Step-by-step explanation:
first make a proportion. 7 over 250= x over 10,000. cross multiply to get 250x=70,000. 70,000 divided by 250 which gets you 280.