Answer:
-7
Step-by-step explanation:
Square numbers always have two possible roots: a positive and negative root. This is because two positive numbers multiply to make a positive number and two negative numbers also multiply to make a positive number
-7 × -7 is still 49, just like 7 × 7
Hope this helps!
49 has two possibles values which are 7 and -7 because the product of two negative signs will result in a positive sign.
B ($9.78)
if she does so multiply by seven to get final answer
x=3 and y=2 because 6+6 = 12 and 2 times 3 is 6 :)