What is negative twelve times negative one hundred ninety-seven?

Write A if the sequence is arithmetic, G if it is geometric, H if it is harmonic, F if Fibonacci, and O if it is not one of the mentioned types. Show your Solution. a. $\frac{1}{3},\frac{2}{9},\frac{3}{27},\frac{4}{81},...$ b. $3,8,13,18,...,48$

Subtract 402 from 644.

Consider the polynomial ${\displaystyle 2x^3-3x^2+x^5}$ Which of the following statements about the polynomial are not correct?
a) The standard form of the polynomial is ${\displaystyle x^5+2x^3-3x^2}$.
b) The polynomial is a trinomial.
c) The polynomial is quintic.
d) The polynomial has a linear term.

What is -198 times 178?

Subtract 11 from 283.

Compute -234 * 67.

Perform the modular arithmetic.
$(19-8)\mathrm{mod}7$