6. Given that DC is parallel to AB, prove triangle ABD is congruent to triangle CDB.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.