If z(t) = 2t2 + 7t – 4, find z(–2) and z(7). a. z(–2) = 11; z(7) = 101 b. z(–2) = –26; z(7) = 143 c. z(–2) = –2; z(7) = 241 d. z(–2) = –10; z(7) = 143

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 of the following best describes the delian problem?

Can someone explain to me how to do