Acarpenter trims a triangular peak of a house with three 7-ft pieces of molding. the carpenter uses 21 ft of molding to trim a second triangular peak. are the two triangles formed congruent? explain.

Which of the following statement about pascal's triangle are true?

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.