Evaluate: 7 z + (-z), when z = 4.

Evaluate - 2x 2y, if x = - 3 and y = - 1. Evaluate - 2x 2y, if x = - 3 and y = - 1.

Desde una altura de 3m un chico patea verticalmente hacia arriba una pelota con una velocidad de 18m/s cual es su posicion 1 seguendo despues de haberla pateado?

What is (*+4 / 6) = (18/12)

How do you find the surface area of a pyramid

Given a = - 3 and b = 4 and c=-5, evaluate lc - a - bl. 4 2 6

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)