Supply the missing reasons to complete the proof

Given Q T QR TR

Dimitri is solving the equation x^2 - 10x = 21. Which value must be added to both sides of the equation to make the left side a perfect-square trinomial? a. 0 b. 4 c. 25 d. 100

What is 7 divided by 301 in long division

The profit in dollars, of selling n items is given by P (n) = 0.98n-3,000. Find the vertical intercept and the slope and explain their meaning. (basic linear function)

What is 47/50 as a percentage?

During a rainstorm, 2 inches of rain fell in 5 hours. At this rate, how many hours will it take for 20 inches of rain to fall?

A multiple choice test has ten questions each with four possible answers of which only one is the correct answer. what is the probability that sheer guess work yields 5 to 10 correct answers?

A right triangle has legs that are 15 feet and 25 feet long. What is the length of the hypotenuse?

What is the answer (10+66-4to the power of 2) : (3+3) in order of operations

Rhonda multiplied 6.3 by 0.01. Which statement about the product is true? A. The product will be greater than 6.3. B. The product will be equal to 6.3. C. The product will be less than 6.3.

Use WeUES U Hyucu Clues 1 It is greater than 25 X 60 and less than 40 X 45. Six of the digits are even. Only two of the digits are the same. The hundredths digit is the greatest of all of the digits.