43 of the 50 questions on his spelling test correctly. which decimal represents the fraction of problems he answered incorrectly

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Given a normal distribution with µ=20 and σ = 4, what is the probability that x> 24 x< 24 x< 24 or x> 24

Read the excerpt from gilgamesh: a new english version.gilgamesh backed away. he said,"how dreadful humbaba's face has become! it is changing into a thousand nightmarefaces, more horrible than i can bear.i feel haunted. i am too afraid to go on." §enkidu answered, "why, dear friend,do you speak like a coward? what you just saidis unworthy of you. it grieves my heartwe must not hesitate or retreat."