In a random survey of 50 seventh grade students at O'Donnell Middle School, 32 said chocolate was their favorite flavor of ice cream. The school has 750 students in seventh grade. How many of them are likely to select chocolate as their favorite flavor?

480 people are likely to select chocolate as their favorite flavor.

Step-by-step explanation:

32 out of 50 = 32/50 = 16/25

750 * 16/25 = 480

3

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