Draw an area model to represent 40*60

Which property justifies this statement? "If 2a + 3 = b and b = 7, then 2a + 3 = 7." * A. symmetric B. transitive C. associative D. disributive

Simplify the expression 6x-4 (x-3) - x

Find the mean, median, and mode of the following data set: 2, 2, 4, 3, 4, 8,5

Jacob is 5 5/6 feet tall. Linda is 5 1/4 feet tall. How much taller is Jacob?

Katya cut part of the jump rope off to make it shorter. The new length is 8 1/6 feet. The difference between the original length and the new length is 5/6 foot. The equation x-8 1.

Five members of the football team and five members of the track team ran the 100-meter dash. Their times are listed in the table below: Football Track 12.5 12.4 13.4 11.6 12.2 11.5 11.5 12.4 14.1 13.

In a survey, 27 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $31 and standard deviation of $3. Construct a confidence interval at a 99% confidence level.

Which of the following expressions are equivalent to 3/11

Wholesale: $17.25 percent markup: 60% find the sale price

What are complimentary lines