True or false: 2, 2, 7 are the lengths of a triangle. true false

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1