What are the least common denominator of the four fractions listed below? 20 7/10, 20 3/4, 18 9/10,20 18/25. A:2. B: 40 C: 50 or D: 100?

3a^2+27a+54 3n^2-15n-18 Factor each completly

At Danielle's clothing boutique, if an item does not sell for eight weeks, she marks it down by 15%. If it remains unsold after that, she marks it down an additional 5% each week until she can no longer make a profit. Then she donates it to charity.

For all numbers x, the function f is defined by f (x) = 3x + 1 and the function g is defined by g (x) = x - (1/3). If c is a positive number, what is the value of g (c) ? (1) f (c) = 13

How many unit tiles need to added to the expression x^2+4x+3 to form the perfect square trinomial?

Solve for b in the formula C = AB + D

Juan deposited 200 dollars in a svaings account earning 3% interest over 2 years what was the total amount of interest earned after 2 years

Find the value of a. (6a+10) ° (3a+55) °

What are 3 equivalent fractions for 25 over 50?

Jen solves the equation 100-1/2x=92 to determine the number of questions, x, she answered incorrectly on a test. She began by subtracting 100 from both sides, then multiplying both sides by - 2. Which best describes the accuracy of jen's work?

2x + y = 20 6x - 5 y = 12