If 2 lines have a slope of 4/5 and - 4/5 are they parallel or perpendicular

For the data set below, which of the following are true? {88, 79, 86, 93, 76, 80, 82, 72, 95, 79} A. The median is 83. B. The mean is 83. C. The range is 21. D. The interquartile range is 9.

If frank has 380 condoms and he uses 180 in two weeks and by the 4th week he has 2 left how many did he use in 2 weeks (btws this is just a im wondering problem)

How is the recursive form of a sequence sometimes more useful than the closed form (where a rule is found to find any term based on its position in the sequence) ?

The perimeter of the original rectangle is 16 feet. What is the perimeter of the enlarged rectangle? Round to the nearest tenth if necessary. answers: 22.3 feet 31 feet 32 feet 42.7 feet

How to get five number summary?

Solve for the value of x. 9x=27x-2

Jamie has 6 coins. Each coin is either a penny or a nickel. How much money does Jamie have?

Find an equivalent expression to 3 (4m-2) - 2 (m+5). write your answer as an expression with two terms

One batch of cookies calls for 2 cups of oil, 4 cups of sugar, 1.5 cups of sugar, 1 cup of baking soda, and 1 cup of chocolate chips. However, Dan has 8 cups of oil, 6 cups of sugar, 3 cups of baking soda, and 2.5 cups of chocolate chips.

The larger of two numbers is six less than twice the smaller number. If the sum of the numbers is 42, find the numbers.