How do you simplify this into simplest radical form?
2√63 - 6√28 + 8√45

What is the domain of f(x) = x² + 2x + 1 ?

Express the mixed radical as an equivalent, entire radical.

1.)  2 ³√7

2.)  4 ³√2

A triangle has one interior angle that has a measure 45°, another interior angle that  has measure x°, and an exterior angle that has measure 85°, as shown in the diagram.
What is the value of x?

In a certain triangle, the longest side is 1 foot longer than the second longest side, and the second-longest side is 1 foot longer than the shortest side.  If the perimeter is 21 feet, how many feet long is the shortest side?

What is 5% of 50 ?
A.)  0.5
B.)  2.5
C.)  5
D.)  10
E.)  25

For all x,  (2x – 3)(x + 5) = ?

There are 5 times as many oranges as apples, 8 more bananas than apples, and 3 times as many pears as bananas. If the sum of the apples and oranges is equal to the sum of the bananas and pears, then how many of each fruit is there?

What are three consecutive odd integers whose sum is equal to five more than two times the second largest number among the three numbers?

For every dollar that Juan gets, Felipe gets $3. They made $3600 , how much did Felipe make?