Let x and y represent the tens digit and ones digit of a two-digit number, respectively. The sum of the digits of a two-digit number is 9. If the digits are
reversed, the new number is 27 more than the original number. What is the
original number?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.