5
8
6 or 7
Just taking a guess
Step-by-step explanation:
I guess you just slove the exponent can I see the actual question
5(-2)^3 5(-2) is -10 to the power of 3 is -1000
First make the denominators of the fractions the same by multiplying.

×

=

Now we just need to add the fractions together

=

9/6 would be the answer, but it can be simplified further, then converted into decimal form.

÷

=
=1.5 yardsYour final answer is 1.5 yards of ribbon are needed.
Answer:
x = 5
Step-by-step explanation:
a² + b² = c²
x² + 12² = 13²
x² + 144 = 169
x² = 169 - 144
x² = 25

x = 5