Please help The Pythagorean Identity states that:
(sin x)2 + (cos x)2 = 1
Given sin 0 = 2/5, find cos 0.
cos O = ✓21/ [ ? ]
Simplify the fraction.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3