In a particular breed of cattle a black coat is dominant over red coat if a cow with a red coat is crossed with a black bull that is heterozygous for coat color what percentage of offspring would you expect to be black

Problem page a jet airplane reaches 846. km/h on a certain flight. what distance does it cover in 13.0 min? set the math up. but don't do any of it. just leave your answer as a math expression. also, be sure your answer includes all the correct unit symbols.