When is it appropriate to use a pie chart?

What is the equation of the line that goes through (-1, - 1) and is parallel to y = 6x - 1?

Its hard to write exponents on the computer, so i just used the ^ so it would make it easy ex: 5^3 (3 = the exponent)

How many solutions are there in 1/2 (10x + 15) - 3/2 = 2x + 6 + 3x

A bar graph has 8 bars, all the same height. Suppose that a circle graph were used instead of a bar graph to represent the data. What percent of the data would each piece represent.

An ice-cream truck sells milkshakes for $3.50 and cones for $2. On Wednesday, a total of 45 milkshakes and cones were sold, and the truck operator collected a total of $142.50 from cone and milkshake sales.

How many triangles can you draw which have one side of length 4 cm, one side of length 7 cm, and one side of length 12 cm?

Multiply and simplify: 10x (9x^2 + 6x + 7)

B ∩ U A = U (B ∩ A).

Kylee bought a pack of 12 cookies. one-third if the cookies are peanut butter. How many of the cookies in the pack are peanut butter?

How do you know the opposite of a nonzero integer?