How to do substitution method

here is a list of numbers - 45,-21,-16,12 33,40. write down two numbers from the list below that have a difference of 29

The longer leg of a right triangle is 3m longer than the shorter leg. the hypotenuse is 6m longer than the shorter leg. find the side lengths of the triangle

If the area of a triangle is 15cm and the hight is 6 whats the base?

If the approximate measure of an interior angle of a regular polygon is 128.6°, what type of polygon is it?

What is the mode of the following numbers? 1,2,10,6,4,4,6,3,1,4

A increased by 50% and then decreased by 50% of that. (Show your work)

A hotel has 56 guests 35 of them are male work out 35 out of 56 as a percentage

Which of the following is an example of exponential growth or decay? A. population of a city decreasing by a factor of. 1 each year B. population of a city increasing by a 100 people each year C.

The west nile fever is randomly found in one half of one percent of the general population. Testing a swatch of clothing for the presence of polyester is 99% effective in detecting the presence of this disease.

The volume of a container is 40 cm3. It has a length of 4 cm, a width of 2 cm. What is the height of the container?