Whats the area of this

A fence must be built to enclose a rectangular area of 20 comma 000 ftsquared. fencing material costs $ 2 per foot for the two sides facing north and south and $4 per foot for the other two sides. find the cost of the least expensive fence.

How many cups are in 7 1/2 gallons?

Consider a pattern that begins with 28 and each consecutive number is six more than the previous term. What are the first three terms of this pattern? A. 28, 34, 40 B. 28, 40, 52 C. 28, 22, 16 D. 28, 168, 1008

Which logorithmic equation is equivalent to the exponential equation below? e^a=60

How do I solve - 5x+2y=6

Factor the expression 9x2 - 6x + 1.

You get in an elevator and go down 8 floors. You exit on the 16th floor. Write and solve an equation to find what floor you got on the elevator.

For each line, state its slope and its y-intercept. 6y-2x=15

Which value of x makes the following equation true? 3 (x - 4) - 12 = 2 (x - 6) + 5

Round 519,769 to the nearest ten thousand. A. 520,000 b. 521,000 c. 500,000 d. 510,000