1 Insert the comma al in the following numbers and write in the numbers in words in iternational system. 43,231

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?