Find LCM of 7 and 13

How do you find 12.54 as a fraction

An artist is cutting pieces of ribbon to use in a project. Each piece he cuts measures - inch. The artist cuts off 5 pieces. How many total inches of ribbon has he cut off? How do I solve this?

4/7 is the result when 1/2 and x are added. What is the value of x? Enter your answer in the box as a fraction in simplest form.

F (x) = -x^2+5 I'm supposed to find the solution (s)

Assume each variable has a different value. Which relations below are functions? a ((a, b), (a, c), (a, d), (a, e) b.

1/3 (22) - 1 - 1/2 (12)

In a fish tank, the ratio of goldfish to guppies is 2 to 4. There are a total of 12 fish in the fish tank. Determine the number of goldfish in the fish tank.

I'm doing easy math but i don't remember learning this so heres the question. One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?

If I have 10 dollars and I win 6 out of 10 and lose 4 out of 10 and bet 1$ each trade, how much should there be left after 10 trades?

How do you reduce the fraction 600 out of 25