A recipe for fruit salad includes 1/3cup of grapes for 4 servings. How many cups of grapes are needed for 30servings of this fruit salad?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

X-10/4 when x = –18 a 7 b –2 c –7 d 2

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?