Answer:
Event A - 1/3
Event B - 4/9
Step-by-step explanation:
Add them together 3+4+2= 9
then put them in to fractions...
Answer:
£10200
Step-by-step explanation:
£6000x7%= £420
£420x10= £4200
£6000+£4200= £10200
Answer:
P - Q = - 11b² + 8b - 4
Step-by-step explanation:
P - Q
= - 4b² + 6b - 9 - (7b² - 2b - 5) ← distribute parenthesis by - 1
= - 4b² + 6b - 9 - 7b² + 2b + 5 ← collect like terms
= - 11b² + 8b - 4
Ninth term is 2.5
you are adding 0.5 each time
-1,-0.5,0,0.5,1,1.5,2,2.5
