you have to answer 2 essay questions for an exam. there are 5 essays to choose from. how many different groups of 2 essays could yo possibly choose?

some teachers travelled to school by car the table shows the number of teachers in the cars a) what was the modal number of teachers in the cars b) what was the median number of teachers in the cars c) what was the mean number of teachers in the

in a party, there is 40 percent more males than females. there are 475 males and females altogether. how many males were at the party and how many females were at the party separately?

The cost of a laptop computer in 2007 was $1,250. In 2009, the price decrease to $1,100. Find the percentage decrease in the price of the laptop from 2007 to 2009.

What is the product of 19+85

Whats ratio of $0.30 to $0.45

Simplify the following expression. (9x + 2) + 5x

Write and solve two word problems: one that involves converting units of liquid volume and one that involves converting unit of mass

How many times can 2 go into 56

What's the solution of the ordered pair 4x+8y=60 7x-2y=9

Question 1 Convert from parametric to rectangular: x=t+4, y = t^2