Answer:
5n
Step-by-step explanation:
Summarizing what we know:
Casey has n nickels, and Meghan 4 times as many: 4n
Then the total number of nickets these two people have is n + 4n, or 5n.
Answer:
B. 
Step-by-step explanation:
Simplify the given expression to determine its equivalent expression in the given options.






(x - 1) cancels (x - 1)




<u>3</u> x 4 = <u>12</u><u>
</u>5 x 4 = <u />20
Since 5 times 4 is 20, then you must also multiply 3 by 4 because what you do to one part of the fraction you must do to the other.<u>
</u>
Answer:
D
Step-by-step explanation:
Add 7 and 3 which is 10
3^10 is 59049 which is the same as 3^7*3*3
Answer:
Step-by-step explanation:
circumference=2πr=6.28
r=6.28/2π=3.14/π=3.14/3.14=1
area=πr^2=π×1²=π=3.14 units²