Jason predicted that 227 students would attend the school dance. The actual number was 250. What is the percent error of Jason's prediction?

Simplify the expression: - 4j - 1 - 4j + 6

Find the product: (-3) (-5) All I managed to gather is to multiple - 3 * - 5 = 15 am I missing a step?

Write the expression 6a-2 (a-1) in simplest form

Rewrite 1 11/25 and 3 3/8 as a square or cube.

A basket is filled with 12 white eggs and 4 brown eggs. half of the white eggs are cracked. an egg is randomly selected from the basket. what is the probability that it is a cracked, white egg?

9 + (1+43) = (19+1) + 43 what property of addition is it.

Thomas hiked 6 miles on Monday 10 miles on Tuesday and 8 miles on Wednesday which value is closest to the mean number of miles he hiked over the three day period

If 2x-1/3=-4x then x=

Describe how multiplying the width by 14 affects the perimeter and the area of the figure.

Simplify the equation 3g-2b2