Julie and erin have 6 1/3 yards of red checked cloth. after making dresses for 4 dolls, they use the remaining cloth to make bows for the doll's hair. they need 8 bows for 4 dolls. how much cloth do julie and erin have for each bow?

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68