What is thirty nine dived by 2

What is sum of numbers 1 2 3 4 5 6 ... 99 100=

An item is regularly priced at $90. alan bought it on sale for 30% off the regular price. how much did alan pay?

Mindy and Troy combined ate 9 pieces of wedding cake Mindy ate 3 pieces of cake and Troy had one fourth of the total cake write an equation to determine how many pieces of cake see there were in total fi the total number of pieces of cake

A quantity is growing at a constant 3% yearly rate. what would be it's percent growth after 15 years?

Select the correct answer. The standard deviation of a population is known to be 7.8. If the sample size is 85, what is the standard error of the mean? A. 0.22 B. 0.85 c. 1.047 D. 6.008 Reset Next

Jack broke apart 5x216 as 5x200+5x16 to multiply mentally. what strategy did jack use

Kim wrote the number 11 use Mental Math to tell what number has 2 more tens than 11

What is the answer to the equation 10+4x=5 (x-6) + 33

Daniel has 20 quarts of water. How many 2 1/2 quarts containers can be he fill

The sum of the first and third of three consecutive integers is 140. find the three even integers