31 A rectangle is twice as wide as it is long. If both sides are shortened by 2 inches then the area will shrink by 46 square inches. Find the dimensions
of the original rectangle.

Use I and w as variables and as an exponent where appropriate.
length
width
area
rectangle 1
1: 2: 3:
rectangle 2
4:
5:
6:

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Type the correct answer in each box. use numerals instead of words. the average number of subscribers to an online magazine each year from 2010 to 2015 is given in the table below. the average number of subscribers to the online magazine in 2010 was the percent increase in the average number of subscribers in 2011 to the average number of subscribers in 2012 was %. the maximum average number of subscribers to the online magazine in the years shown was