Four times the sum of a number and seven is 84. Find the number

What is this? 6/3 + (-1/6) =

164,215 to the nearest hundred thousands

What is 10 + (-15/2) * - 4

A rectangular field is five times longer as it is wide. If the perimeter is 288 yards, what are the fields dimensions?

Luis ha regalado la mitad de los DVD que tenía a Juan. Después, le ha dado la tercera parte de los que le quedaban a su hermana. Al final sr haquedado con 6 DVD.? Cuántos DVD tenía al principio?

Sally is interested in taking a job in a city which she's not familier with the cost of living. She is especially concerned about the cost of housing and is interested in the average cost of a three bedroom home.

A skating rink charges $0.75 to rent skates and $1.25 per hour to skate. How many hours did Penny skate if she was charged $4.50?

Simplify 1/3 12x - 6 A. - 2x-1 B.-2x-8 C.-x+4 D. 3x+10 E. 4x-2

What is 27 x 17? I really need to know.

What is the factored form of the trinomial x^2 + 11x + 28 = 0? (x + 3) (x + 8) (x + 4) (x + 7) (x + 7) (X + 8)