Which number is an irrational number? startfraction negative 22 over 9 endfraction negative startroot 3 endroot 2.56 startroot 15 endroot

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?