Megan has 25 phone numbers stored in her cell phone. abby has some phone numbers stored in her cell phone. together they have a total of 61 phone numbers stored. if n = the number of phone numbers abby has stored in her cell phone, which mathematical sentence expresses the information above? a. n + 61 > 25 b. n + 25 > 61 c. n + 25 = 61 d. n + 61 = 25

Option C.

Step-by-step explanation:

It is given that Megan has 25 phone numbers stored in her cell phone.

Let n be the number of phone numbers Abby has stored in her cell phone.

Total number of cell phones together they have is the sum of number of phones Megan has and number of phones abby has.

Total number of cell phones =

It is given that together they have a total of 61 phone numbers stored.

It can be written as

Therefore, the correct option is C.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d