1. The average is calculated by dividing the sum of values by the --
of values.
2. The average speed of a car that travels 240Km in 3 hours is
3. The quantities in a matrix are called
4. The value of x+y is if x²+y2=19 and xy=3.
5. If 9x-9y=18, then x-y =
6. The order of a matrix with 4 rows and 3 columns is
7. Discount is calculated by the formula -
8. The volume of a cube with each side (3x+5) cm is
9. In x²+4x-3, 4 is the and -3 is the
10.1fx+y=4, the value of x®+y+12xy-64 is
11. A quadrilateral has --- sides and angles.
12. A right circular cone has -- faces.
13. Hero's formula is stated as
14. Pythagoras' theorem applies to
triangles.
15. The is the side opposite the 90° angle.​