45 dolls, 105 footballs and 75 small cars will be be placed on shelves so that each shelf has the same number of each type of toy how mant shelves are needed for each type of toy so that it has the greatest number of toys

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

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

Could someone with number 1 and 2