Please help Show some kind of work I don’t want to get it wrong!!! Solve each system by substitution.
9) y=-2
-6x + 7y=-8
A) (-8,-2)
C) (-1,-2)
B) (-3,-2)
D) (1, -2)

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:

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.