Guide 21
Darla sees a duck and a fish at a pond. The duck is 2 2/1 feet above the surface of the pond. The fish is 1 3/8 feet below the surface of a pond. What is the distance, in feet, between the duck and the fish?
A-1 1/3
B-1 1/8
C-3 7/8
D-3 4/10

4+6x-3x^3 in standard form with explanations because i don’t understand

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru