(15 minutes/hour) x (1 spot / 1/2 minute) x (24 hour/day) = <u><em>720</em></u> spots/day
Let's plug x= -1, y= 4 in the inequation, we have:
4< 2*(-1)+5
⇒ 4< -2+5
⇒ 4< 3 (false)
Therefore, (-1,4) is not a solution of the inequation y<2x+5~
A right triangle can also be an isosceles triangle.
Answer:
Q9. ?=53° (corr angles, u//v)
Q10. ?=58° (alt angles, u//v)