What is the center of a circle whose equation is x2 + y2 + 4x - 8y + 11 = 0?

062478 as a scientific notation

Consider the sphere. Identify the parts of a sphere. represents the diameter represents the radius.

What is the answer to this? 5/12x8/45=

Suzie starts her hike at 220 feet below sea level. When she reaches the hike she is still below level sea level at - 171 feet. What was the change in evalation from evalation from the beginning of Suzi's hike to the end of the hike

Ted's comic book collection, which was worth $1300 five years ago, has been increasing in value by 12% per year since then. Which expression gives the current value of the collection? A) 1300 (1.12) 5 B) 1300 (.12) 5 C) 1300 (1.12) (5)

What is 0.8 to the power of 2

500 decreased by 55% =

The table below shows the lengths and weights of six dolphins at an aquarium. Use the data from Pax and Snowflake to create a linear model that predicts the weight (y) of a dolphin given its length (X).

Here are two rectangles. 6 cm 9 cm 8 cm 12 cm Complete this sentence. The two rectangles are similar and the scale factor is

Jeffrey earns a gross semimonthly salary of $2181.80. What is the total of his Social Security deductions for the year? $759.27 $3246.52 $8445.68 $36,112.55