Which decimal represents the fraction below?

21

__

100

A. 21.0

B. 2.01

C. 2.1

D. 0.21

The height of a ball dropped from the top of a 450-foot tall building can be described by the expression 450 - 16r, where I represents the time, in seconds, after the ball is dropped. What is the height of the object 4 seconds after it is dropped?

When the height of a cylinder is doubled and its radius is increased by 200%, the cylinder's volume is multiplied by a factor of X. What is the value of X?

A bird sanctuary used to receive 10,000 birds per year. The number of birds migrating to the sanctuary is decreasing at the rate of 5% each year. Identify the exponential decay function that models the situation.

Find the value of y when x equals 4, - 3x+9y=-57

The formula for converting Celsius temperature to Fahrenheit temperature is a linear equation. Water freezes at 0°C, or 32°F and it boils at 100° C, or 212°F.

Find the mean for each group. 1. 10, 12, 15, 11

How to find the area of rectangular shaped lot with the length of 70 yards and a width of 35 yards.

What is 0.7185 rounded to the nearest cent?

4 5/6+3 1/3 = simplest form

At the supermarket you can fill your own honey bear container. A customer buys 12 oz of honey for $5.40. How much does honey cost per ounce?