What expression has a value of 1

The amount $5.40 is 9% of what price?

Mark casts a shadow that is 4 feet long. At the same time, a nearby tree casts a shadow that is 20 feet tall. If Mark is 6 feet tall how tall is the tree

Round 3.73 to the nearest whole number

What is the smallest possible degree for this polynomial function

6 4/5 - 2 1/5 is what?

According to an airline, flights on a certain route are on time 85 % of the time. Suppose 17 flights are randomly selected and the number of on-time flights is recorded. (a) Explain why this is a binomial experiment.

Is 0.9 0.06 11/20 0.21 greater than 1/2 or smaller

Lynn used 3/8 cups of flour and 1/3 cup of sugar in a recipe what number is a common denominator for 3/8 and 1/3

Find the percent of the number. Explain your method. 30% of 50

What is the length of the side opposite angle B? 3 units 4 units 5 units 6 units