Does - - 4 equal - (-4) ? If so how could I justify my answer

18:2-4^2+9=? Trying to answer this problem is giving me a headache

What is 5 in 8/12 + 3 in 5/12 (5 8/12 + 3 5/12)

Abigail had a fish tank that was in the shape of a box. The dimensions were 1 foot deep by 24 inches wide, by 18 inches tall. How many cubic inches of water will it take to completely fill the tank?

There is a rack of 11 billiard balls. Balls numbered 1 through 8 are solid-colored. Balls numbered 9 through 11 contain stripes. If one ball is selected at random, determine the odds for it being solid dash colored.

If f (x) = 1 - x, which value is equivalent to |f (i) |? 0 1 StartRoot 2 EndRoot StartRoot negative 1 EndRoot

Solve the quadratic equation 3w^2-14=13

Is 1/5 greater than 4/6

The sum of 6 and 4 times a number (n) equals 90

an air conditioning system can circulate 290 cubic feet of air per minute how many cubic yards of air can it circulate per minte

Using a number line to order the numbers numbers numbers from least to greatest 0.003 and 0.03 in 0.033 and 0.0 31