Susan has 50% more books than michael. michael has 40 more books. if michael buys 8 more books, will susan have more or less than michael? what percent more or less will susan books be

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8