Write a verbal expression for each algebraic expression R to the power of 4÷9

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

addition

step-by-step explanation: