For all real numbers a and b, 2a • b = a2 + b2

True Or False! Explain

Triangle A B C is reflected and then dilated to form smaller triangle A double-prime B double-prime C double-prime Which transformations could have occurred to map △ABC to △A"B"C"?

In the year 2000, there were 5,000 people living in the town of Clairmont. By 2010, the population had grown to 5,600. What is the percent of change in the population from 2000 to 2010? 88.3% 11% 12% -20%

Susan and Mark are standing at different places on a beach and watching a bird. The angles of elevation they make are 20º and 50º, respectively.

Each side of the regular hexagon below measures 8 cm. What is the area of the hexagon? A hexagon is shown. A triangle with a 60 degree angle is drawn using one of the sides of the hexagon.

Two trains leave a station at the same time, one traveling west at a rate of 60km/h, and the other traveling east at 55km/h. In how many hours will they be 460km apart?

The population of a town is divided into three age categories. A random sample of each category is surveyed about voting choices. This type of sampling is called cluster sampling. stratified sampling. simple random sampling.

Tommy had 3 packs of bubble gum. Each pack has 5 pieces in it. How many peices of bubble gum does Tommy have a total of?

Is 1/2 equivalent to 5/8

0.59+0.33t=3.68t-0.75

The area of a parallelogram with a side of 5.6 in is equal to the area of a rectangle with sides 7 in and 8 in. Find the altitude to the given side in the parallelogram