If ∠ECD = 57° and ∠BED = 123° is ΔABE ~ ΔEDC? If so, by what criterion?

49080 tickets have been sold for the tournament. 3/5 of the tickets are for the qualifying matches and 15%of the tickets are for the final match. How many tickets sold are for the semi-final matches?

Eighteen is 40 percent of what number

A local union negotiated a new contract that increases the hourly pay by 15%. The old hourly rate was $11.50. What is the amount of the increase? What is the new hourly rate?

The volumes of two similar figures are 343 mm3 and 512 mm3. If the surface area of the larger figure is 192 mm2, what is the surface area of the smaller figure?

A shopper bought the following items at the farmers market: a. 6 ears of corn for $1.80. What was the cost per ear? b. 12 apples for $2.88. What was the cost pet apple? c. 5 tomatoes for $3.10. What is the cost pet tomato?

What is 5x divided by 5y

How to find height of teepee with radius of 4 ft and slant height of 7 ft

Solve for x 12x>9 (2x-3) - 15

Is Joan read 74 pages in 4 hours how long will it take her to read 240 pages

What is the factors of 12