What value of k makes the trinomial x^2- 10x + k a perfect square?

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes