Choose which of the following are true statement regarding matrices

How do you add fractions with different denominators

If a city is divided into 500 neighborhoods, each of which is home to approximatley 200 household, and a researcher randomly selects two households from each of the 500 neighborhoods what type of sampling is this?

The following regression model can be used to analyze the data for a random block design involving three treatments and two blocks. E (y) = 0 + 1 x 1 + 2 x 2 + 3 x 3 Show the values of the variables below. If your answer is zero, enter "0".

Luisa restaurant bill comes to 75.50 and she leaves a 15% tip what is luisa total restaurant bill

If 17+17=2895,18+18=3245,19+19=3615 than 23+23=?

The rectangular bar is connected to the support bracket with a 10-mm-diameter pin. The bar width is w = 70 mm and the bar thickness is 20 mm. Each side of the bracket has the same dimensions as the bar.

A miniature horse weighs 228 fewer kilograms than a Shetland pony. Use the table to find the weight of a Shetland pony. Miniature horse wights 53kg

In a box of tickets, there are 50 blue tickets and 15 red tickets. after a certain number of red tickets are added to the box, the probability of randomly choosing a red ticket is 2/3. how many red tickets were added to the box?

The perimeter of a rectangle is 68 feet. Find the dimensions of the rectangle if the ratio of the length to the width is 9:8.

What is 0.8 to the power of 2