The equation is solved. Describe the property used in each solution.

Negative two-thirds a = 8. Negative two-thirds a (negative three-halves) = 8 (negative three-halves).
a = –12
Negative two-thirds a divided by negative two-thirds = 8 divided by negative two-thirds.
a = –12

b is the final answer! : )

step-by-step explanation:

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.