Which is the best equation to use to solve this problem?

The perimeter of a rectangle is 90 ft. The ratio of the length to the width is 8: 7. What are the dimensions of the rectangle?

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Given the following table, determine the missing value. Growth Factor 1.13? 1.28 1.97 Percent 13% 256% 28% 97% a. 256 c. 3.56 b. 2.56 d. 35.6

Evaluate the summation of 3 n plus 2, from n equals 1 to 14 ...

Change 45% to a decimal, then a fraction. 4.5, 4/5 0.45, 4/5 0.45, 9/20 4.5, 9/20

6 is the radius 15 is slant height how do i find surface area of a right cone?

What is the result of isolating x2 in x2 + (y-5) 2=30

A chess player won 2 games out of 20 what is the ratio to games lost to games won

How many solutions are there to the equation below? 220 = 2x-12x A) 1 B) 2 C) infinitely many

The simple interest x on an investment would take p dollars at an interest rate r or t years is given by x=prt. Find the time it would take to earn $900 in interest on an investment of $21,000 at a rate of 4.6%

For which equation would x = 12 be a solution? x + 4 = 12 48 : x = 12 12 - x = 4 12x = 144

The rectangle below has an area of x^2-9 square meters and a width of x-3 meters. What expression represents the length of the rectangle?