Dennis thought of a number. He adds 0.5 to that number and then multiplies the new result by 4. He then subtracts 2 and divides the number by 2. His final answer is 48. What number did Dennis start with?

Chas and Tyler have been collecting video games. Chas has 25 video games, and Tyler has mm video games. Together they have a total of 65 video games.

192 students in 4 buses how many students in each bus

Find the perimeter of a trapezoid with sides that measure 16.1 inches, 6.32 inches, 8.0 inches, and 13 inches.

Whats the factor of 21n^2 - 14

If I have a truck full of mulch that 30 tons and is a 2:1 ratio bark to soil. How many tons is bark and how many tons is soil?

5,000 mL is equal to: 5 L 0.005 L 5,000 cm² 5,000 cm³

Find the radical equivalent of 272/3 and compute it.

Simone takes dance lessons. Her shoes cost $150 per year, her tights and leotards cost $70 per year, her hair accessories cost $15 per year, and the dance lessons cost $1,000 per year. How much will Simone pay for five years of dance lessons?

Solve for all zeros, reduce as much as possible, show all work. x^4 + 14x^2 + 45 = 0

The 3 inside angles of a right angled triangle are in the ratio 7; 18; 11. The smallest angle is 35. work out angle ab b c