Answer:
A
Step-by-step explanation:
the mean is higher than kindergartens mean which shows its larger and the deviation is lower which shows less variation
Answer:
x = 75°
y = 105°
Step-by-step explanation:
Angle subtended on the circumference of the circle is half of the angle subtended on the center of the circle.
Quadrilateral PQRS is a cyclic quadrilateral.

Answer:
81
Step-by-step explanation:
that is the solution above
Answer:
20 weeks.
Step-by-step explanation:
The equations of money deposits of each bankholder as a function of time are, respectively:
Jim

Sally

The number of weeks so that both have the same amount of money is:


