Correct answer only ! what are the roots of the polynomial equation? 0 = x2 + 18x + 45 select each correct answer. a. −15b. −3c. 3d. 15

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?

With this question, the answer with the red arrow is incorrect!