You purchase a cell phone for $125. the value of the cell phone decreases by about 20% annually. write a function at models the value of the cell phone overtime. then find the value of the cell phone after three years

If 1 is added to the numerator and to the denominator of a fraction, the value obtained is 4/5. If 5 is subtracted from it's numerator and from it's denominator, the resulting value is 1/2. Find the fraction.

5/8 as a decimal with work

Which equation is equivalent to x = m (p-q) ? q = m + x/p q = p + x/m q = p - x/m q = m - x/p

Solve for x, show all of your work: - 2x - 6 < 12

3n+5=6 how do you get the answe in the form of a fraction?

What is the domain of f (x) = cos (x) ?

Mike and Kim invest $14,000 in equipment to print yearbooks for schools. Each yearbook costs $7 to print and sells for $35. How many yearbooks must they sell before their business breaks even?

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

30% of what number is 10.2

Long division 19 divide 23.94