Answer:
11
Step-by-step explanation:
Answer:
R n S = {20}
Step-by-step explanation:
n in sets means same elements found in the sets which are being compared
Answer:
q = -15
Step-by-step explanation:
5q = -75
Divide both sides by 5 : q = -15
Uhh, these give me a headache, I think number 2 is array..
