En un triángulo rectángulo, los lados que forman el ángulo recto mide 6 cm y 9 cm. Si un triángulo semejante a éste, el lado menor mide 8 cm, ¿cuántos centímetros mide el otro lado que forma el ángulo recto?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.