Step-by-step explanation:
ofc , so that is that and the other is that
15+c=17.50
First you subtract 15 by 15 because you switch operations from adding to subtracting then you would put C under it
Second subtract 17.50 and 15 and that is 2.50 so C= 2.50
Answer:

Step-by-step explanation:
The composite solid consists of a cylinder and a cone. Therefore, its total volume will be the sum of the volumes of the cylinder and cone:
Volume of the cone: 
Volume of the cylinder: 
Thus, the total volume of the solid is:

Answer:
If you take your computer screen and look at the corner, that is 90 degrees. If you cut that in half, you have a 45 degree angle.
Step-by-step explanation:
Writing like terms in the same column eases this work:
2xy^2 + x^2y
+5x^2y
----------------------
2xy^2 + 6x^2y (sum)