If a is a rational number and b is an irrational number, then the sum a + b is
a) rational.
b) imaginary.
c) irrational.
d) an integer.
eliminate

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

At the movie theatre, child admission is $5.20 and adult admission is $9.70. on sunday three time as many adult tickets as child tickets were sold, for a total sales of $788.90. how many child tickets were sold that day?