18-7f=4

13 + 3p = 7

pls help me solve this two questions ​

The first equation: f = negative 2

The second equation: p = 2

Step-by-step explanation:

do you have to subtract from both sides then isolate the variable by dividing.

add an image !

step-by-step explanation:

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