Step-by-step explanation:
y2 + 4y - 5
( y + 4 )( y - 1 )
so you just need to break down the sum
Angle four is 30° and angle 7 is 150! angle four equals 30° because a straight line equals 180, and 180-150=30. angle 7 is 150 through corresponding angles
Answer:
Step-by-step explanation:
First find out how many marbles is in the box.
1 r + 1 b + 4 g = 6 marbles
4g/6
2/3 is the probability