After college gerald wants to take a graduation trip to china. he wants to save $4,000 for his trip in four years. about how much does gerald have to save each month if his savings earns 7% interest compounded monthly?
a.
$68
b.
$72
c.
$82
d.
$85

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

On traditional maps, earth is represented in a flat plane, or by euclidean geometry. however, a globe is a more accurate model that comes from elliptical geometry. how does a globe represent the fact that there are no parallel lines in elliptical geometry? the equator is not parallel to any other latitudinal lines. the north and south poles are never connected by a geodesic. the geodesics connecting the north and south poles never intersect. the geodesics connecting the north and south poles intersect at both of the poles.

The bottom of a vase is a square. each side measury y+11 units. the square has a perimeter of 55 units what is the value of y?