Determine whether the biconditional statement is true or false. If false, give a counterexample. The number k is a positive integer if and only if 5k is a natural number.

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.