Answer:
9x+1
Step-by-step explanation:
combine 2x+7x then add the 1
Answer:
48
Step-by-step explanation:
80/100=0.8
0.8x60=48
Answer:36
Step-by-step explanation:
36 to the third power
Answer:
n=4
Step-by-step explanation:
Distribute the 8. and then subtract 8n from both sides and divide 40 and 10n.
Answer: C
Step-by-step explanation: If B is the set of colleges that have a physics department.
B’ is the set of colleges that do not have a physics department.
U is the union, so we are going to put every element from A and B' together. It can be translated as OR.
A U B’ is the set of elements in a country that have a hockey team (A) or do not have a physics department (B’)
.