If an image of a triangle is congruent to the pre-image, then the scale factor of the dilation must be n=

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

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.

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?