Lim x-> (-2) ( (x^ 2 -4) /(x+2 )

Find the limit of the function algebraically.
a. 1
b. does not exist
c. -4
d. -2

Find the missing number. a. 3 : 24 = : 72 b. : 18 = 5 : 9 c. 6: = 36 : 36

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25