How many solutions in the equation y=x-3 and 4x-10y=6

Subtract the fractions and reduce to lowest terms: 89-6 2/3

An item in a store has price P. It is discounted 10% to P -.10P. After a few days it still hasn't sold so it reduced by 20%, down to (P -.10P) -.20 (P -.10P). In total, the item has been discounted by what percent? A) 26% B) 28% C) 30% D) 32%

Suppose that about 90% of graduating students attend their graduation. a group of 22 graduating students is randomly chosen. find the probability that 17 or 18 attend.

Prove that E (cX) = cE (X), where c is a constant.

How do you write numbers in scientific notation? 0.0021

Solve the quadratic equation by completing the square. 4x2 + 8x - 7 = 0

Prime factorization practice All factors 1. - 25 2. - 49 3. - 7 4. - 13 5. - 24 6. - 48 7. - 168

Anoki bought 360 millimeters of fabric. How many centimeters of fabric does Anoki have?

What is 32.697 rounded to the nearest one?

Word problem to represent 0.90