If a hotel has 20 king-size beds, 50 queen -size beds, 100 double beds and 30 twin beds available, what is p that you will be given a queen-size or twin bed when you register? solution

What is the area of the trapezoid shown ?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm