Which arrangement shows 4.09,4 2/3 ,21/4 and 4.7 in order from least to greatest?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180