Explain why this is or is not a probability distribution.

x

1

2

3

4

P (x)

0.2

0.1

0.4

0.2

Katie knocked down a quarter of the amount of pins Jacob knocked down in the bowling game. if Katie knocked down 84 pins, how many pins did Jacob knock down?

Given 2x+x-7-12 determine the largest integer value of a when x=-1

A mathematics journal has accepted 14 articles for publication. However, due to budgetary restraints only 7 articles can be published this month. How many specific ways can the journal editor assemble 7 of the 14 articles for publication?

F f (x) = 3x + 2 and g (x) = x2 + 1, which expression is equivalent to

What is 1/2x+13=20? What is x?

Sheila buys some boxes of pens, with 20 pens in each box. Which expression represents the total number of pens Sheila bought? 20 : p 20 + p 20p 20-p

What is the solution of the equation 8 (3x + 4) = 2 (12x - 8) ?

What's 723 divided bye 31

Find the area of a triangle with sides a=5, b=8, c=11

There were 60 seventh grade students who signed up for soccer tryouts last year. This year, 48 seventh graders signed up for tryouts. What is the percent decrease in the number of students from last year to this year?