Express f (x) in the form a (x-h) ^2+k for f (x) = x^2-8x+21

An acute triangle had two sides measuring 8cm and 10 cm what is the best representation of the possible range of values for tge third side, s?

Blank : 21 > 13 make the statement true

There are 3 men and 3 women to be seated in a row of 10 chairs. In how many different ways can they be seated if one men must be seated at each end of the row?

If you take the number 24 and remove the units digit (4), 2 remains, and 24 is divisible by 2. Such a number, which happens to be divisible by itself truncated by its units digit is called a "trucadivisible" number.

Let f (x) = x2 + 6 and g (x) = x+8/x. Find (g o f) (-7)

A rental company charges $75 a day and 20 cents a mile for renting a truck. michael rents a truck for 2 days, and his bill came to $238. how many miles did he drive?

There are 3 quadrants on a coordinate plane? A. True B. False

4x squared + 3x-2 divided by 5x squared + 8x + 3

3x²-36x+81=0 i need the answer

A train moved at a speed of 90 miles per hour for 2hours and then slowed down to 72 miles per hour. A) Find the total number of miles the train traveled. B) Calculate the average speed of the train.