Step-by-step explanation:
the answer is in the above image
Answer:
Step-by-step explanation:
9 * -9 * -1 =
-81 * -1 =
81 <===
In multiplying (or dividing), if the signs are the same, the result is positive
if the signs are different, the result is negative
these rules do not apply to addition or subtraction
Y=2×4+y+7
y=8+y+7
y=8+7+y
y=15+y
-y -y
you have 15 left when you eliminate the Ys
1/6 of the shingles/ 2 stacks= 1/12 of the shingles/stack.
There will be 1/12 of the shingles in each stack~
-2-w is equivalent to -24 - 12w all you have to do is simplify the expression!