Find the least common denominator for these two rational expressions.
a^5/a^2+4a+4
-7/a^2+7a+10
Enter the correct answer.

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

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.