How much of a radioactive kind of bismuth will be left after 40 min if the half life is 20 min and you start with 960 grams?

F (x) = 4x2-8x-60 f (x) = 4 (x2-2x-15) f (x) = 4 (x-5) (x+3) whts the true statement of f (x) A The zeros of f (x) are - 5 and 3. B The vertex of the graph of f (x) is (-5, 3). C The vertex of the graph of f (x) is (5, - 3).

Write 10x9x9x10 in exponential form

Is 5/11 greater than 1/2

Express the area of a rectangle with length 2c^3d^2 and width 9d^7 as a monomial

Find the exact solution of - x2 + 7x + 5 = 0 by using the Quadratic Formula.

F K = (x, y), is Set K a function?

70% of the 100 students in Middle School cafeteria bought their lunch some of the students that bought their lunch leave the cafeteria to attend an assembly now only 60% of the remaining students brought their lunch how many students are remaining

What percent of 150 equals 24.9

Raul wants to buy a new collar for each of his 3 cats. The collars come in a choice of 4 different colors. Step 2 of 2 : How many selections of collars are possible if repetitions of colors are not allowed

Need to find the side lengths for a triangle with sides a=2a, b = 3a, c = 17. need to solve for variable a and not sure how.