Vic has 40 marbles, all are either yellow or blue. He gives half his yellow marbles to mark. After this Vic has 27 marbles left. How many blue marbles does he have?

A psychology professor assigns letter grades on a test according to the following scheme. A: Top 8% of scores B: Scores below the top 8% and above the bottom 61% C: Scores below the top 39% and above the bottom 16% D: Scores below the top 84% and

1. Mandy kept track of the trade-in value of a collector's coin for several months through February of this year.

What is the complete factorization of the polynomial below? x3 - 4x2 + x - 4 a. (x + 4) (x + i) (x - i) b. (x - 4) (x - i) (x - i) c. (x + 4) (x - i) (x - i) d. (x - 4) (x + i) (x - i) ?

An equilateral triangle is (sometimes/always / never) similar to a scalene triangle, because we can (sometimes/always / never) map one onto the other using only dilations and rigid transformations.

What is the center and radius of the following circle: x^2 + (y - 6) ^2 = 50

a movie theatre charges $4 per movie and the fifth movie is free. how much are you actually paying per movie

If a problem have a rate of change is it proportional or not

How do you find the slope (m) ?

Find the area of the parallelogram that has a base of 4m and a height of 5.5m.

Six less than seven times a number is equal to-12