B) show that if seven integers are selected from the first 10 positive integers where must be at least two pairs of these integers with the sum 11?

In New York there was previously an all girl high school. In 2005, the high school began to allow boys to enroll. By 2012, the ratio of boys to girls was 5:7.

What two numbers multiplied together equal 900, but also added together equal - 68?

seans mom asks how long his homework will take. He tells her that he needs to read for 25 minutes and also do so math problems that will take M minutes altogether whose whom work will take H minutes

Find an explicit formula for the arithmetic sequence 12, 5, - 2, - 9, ... a (n) =

if tom spins the spinner 80 times work out an estimate for the number of times the spinner will land on 3

Charlotte bought 16 songs. One fourth of the songs or pop songs. How many of the songs or pop songs?

How many days are there in 2/3 of the mounth of november

Printer A can print 30 pages per minute. Printer B can print 40 pages per minute. Printer B begins printing 3 minutes after Printer A begins printing. Both printers stop printing 10 minutes after Printer A started.

How to estimate $3472 : 680 and solve problem

What is the solution of the equation 37=6x + 10?