Please help me with this homework help me with 1,2,3,4,5 show me the steps and the answers please I really need help with this homework

What is the size of the matrix resulting from

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class