Diana bought a car for $5000 and plans to sell it to make a 20% profit. what should she sell it for to make the profit she desires?
a) $1,000
b) $4,000
c) $5,100
d) $6,000

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.