A proper subset describes the set in full. An improper subset strays from the original set.
Answer:
b 48
Step-by-step explanation:
it says the sides a are 3 times larger so you are trying to find the perimeter of b so you do 144 divided by 3 since it is 3 times larger.
Donald earns $23 each weekend and Mickey earns $30.
Step-by-step explanation:
Given,
Money earned by Mickey and Donald = $53
Let,
Share of Mickey = x
Share of Donald = y
According to given statement;
x+y=53 Eqn 1
x = y+7 Eqn 2
Putting value of x from Eqn 2 in Eqn 1

Dividing both sides by 2

Putting y=23 in Eqn 2

Donald earns $23 each weekend and Mickey earns $30.
Keywords: linear equation, substitution method
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Answer:
7. 0.47531
8. 98.7252
9. 13238.984
10. 0.00757576
11. 15011.4286
12. Proper
13. Improper
14. 11/4
15. 33/7
16. 1 4/8 or 1 1/2
17. 3 1/6
Step-by-step explanation: