In your shoes, I'd write, "Find the difference between 3/4 and -1 1/4."
3/4, being positive, is greater than -1 1/4. But the magnitude of -1 1/4 is greater than the magnitude of 3/4, so your result (the difference) will take the " - " sign.
3-5
The problem then looks like 3/4 - 5/4 = ---------- = -2/4 = -1/2
4
7.11 because 1.58(3.50)=5.53 + 1.58 = 7.11
I recommend Desmos Graphing Calculator for this
<span>(1/2 in)^3 x 1120 = 140 in^3
</span><span>Find the volume of individual cubes which is the cubic power of the edge length. Then multiply by 1120. </span>
Step-by-step explanation:
12a = 13a - a
12a = 14a - 2a
12a = 15a - 3a
12a = 16a - 4a
12a = 17a - 5a
...