16. Insert parentheses where needed in each expression to show how to

get each result.

a. 2 + - 3 X 4 = - 10

b. 4 + - 3 X - 4 = - 4

c. - 12 + 2 + - 4 = 6

d. 8 = - 2 + - 2 = - 6

What number is a common factor of 16 and 56

The area of circle b is 36 times greater than the area of circle a. the radius of circle b is 30. what is the radius of circle a?

Selecting an Instructor At a convention there are 7 mathematics instructors, 5 computer science instructors, 3 statistics instructors, and 4 science instructors.

Which expression can be used to find 75% of 60?

8/10 and 4/5 determine whetther each pair of ratios form a proportion

4m=9m-20 equals what

In a survey conducted by a union, members were asked to rate the importance of the following issues: (1) job security, (2) increased fringe benefits, and (3) improved working conditions. Five different responses were allowed for each issue.

If f (3) = 5 and f (4) = 8 what does f (5) = and f (6) =

Find the equation of the parabola with the vertex at (0,0) and the focus at (-1,0).

Compare 1/5 and 0.201