According to the scores on the last math test, 80%, or 20. of the students in the class received an A Find the number of students in the entire class.

25 students

Step-by-step explanation:

.8x = 20

 x = 25 students

lol

step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2