Simplify: 115 - 12
4
-21 + 9
- 1-25+
A.
3.
-27
B.
4
C.
در +
D. 2
21

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

What point is the projection of q on a) r b) s c) t

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882