Evaluate the expression x - 9, if x = 12. 1. 21
2. 17
3. 4
or 4. 3

what’s the answer what number?

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

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.