HELP, chose multiple choice, whoever get's them all right they get. Brainliest, Thanks, 5star rating, and you could be my friend if you want! -THANKS SO MUCH

What number should be added to both sides of the equation to complete this square? x^2-10x=7

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.