Kendall says the sum of

(6x2 4xy 2y2) and (4x2 - 2xy - 3y2) is (10x2 2xy - 5y2).

What error did Kendall make?

John has a die and a coin. The die is labeled 1 through 6 and the two sides of the coin are heads and tails. The tables below show the results of John's experiment after he rolled the die and tossed the coin.

Coefficient (s) in the following expression: x2 8x - 6

If it takes you one hour and forty-five minutes to drive 105 miles, find your average speed.

Which is bigger, two thirds of 30 or one fifth of 25

In a large population, 61 % of the people have been vaccinated. if 4 people are randomly selected, what is the probability that at least one of them has been vaccinated?

What is the decimal 4.588 rounded to the nearest tenth

The second group of trainee astronauts are all sitting around the table, waiting to start their first day of training. From the clues given below, can work out where everyone sits? Note: Seat 1 is next to Seat 2 and Seat 8, etc.

How many triangles can be constructed with angle measurements 90°,45°,50° ?

What is the answer to 7 y - 1 equals 5 y + 9

Wat is the sign of the product of three integers with the same positive sign