The student council is having t-shirts printed. delta shirtworks charges $200 plus $3.50 per shirt. alpha designs co. charges $320 plus $2.75 per shirt. for what number of t-shirts. for what number of t-shirts would the two companies charge the same?

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).

graph b

step-by-step explanation:

one solution- graph a (clear intercepting point.)

no solution- graph b (they're parallel, there will never be a point of interception.)

infinite solutions- graph c (all points intercept.)