To calculate it use pythagoras: a^2+b^2=c^2
7^2+10^2=49+100=149
calculate the square root:

so the diagonal is about 12.2 inches long
Answer:
12.2
Step-by-step explanation
The triangles are congruent, so the sides are as well. Add 6.1 and 6.1 and you will get 12.2
I can help with the formula just do the math on a calculator you multiply length x width x height
Answer:
150
Step-by-step explanation:
If you had 3 dollars plus the 10 your mom gave you would have 13. Then, if you dad gave you 30 that would be 43. Plus the 100 your aunt and uncle gave you would be 143. Plus 7 would be your answer of 150
Answer:
The bottom left box is 2.997, and then I guess you can do 0+3=3 for the right side
Step-by-step explanation:
With the boxes given, you do math for the left side to get 2.997. and then for the right side, if you are rounding to the nearest whole number, do 0+3=3. without context it is pretty confusing