What are the main colors in the color wheel

Which scientist listed below is not one of those to advance the study of mathematics? a. euclid b. herodotus c. pythagoras d.archimedes

The almoravids came to rule parts of the sahara, morocco, algeria. they repudiated what they considered to be the architectural artistry and of the ta'ifa kings. a. decadence b. formalism c. severity d. simplicity

Can someone me ( i’ll mark brainliest )