On a number line, a number,  b, is located the same distance from 0 as another number,  a, but in the opposite direction. the number  b  varies directly with the number  a. for example  b  = 2 3/4 when  a  =  –2 3/4 which equation represents this direct variation between  a  and  b?

98 point question what is the record for most points in one

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.