Find the area of the semicircle.
Either enter an exact answer in terms of 7 or use 3.14 for 7 and enter your answer as a decimal.
units2

Which of the following transformations does not preserve congruence? * 5 points a. (x, y) → (y − 3, x − 3) b. (x, y) → (x + 5, y − 1) c. (x, y) → (y + 9, −x + 2) d. (x, y) → (3x + 1, 3y − 2)

What are the soultion(s) to the quadratic equation 40- x^2=0

What is 140% of 25? because i need