I need some help with these

a² + b²= c²

24² + 7² = c²

c= 25

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times

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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