An obstacle course for an endurance competition is set up such that only 50% of the competitors who start the race do not make it past the first obstacle. of those who do, 65% make it past the second obstacle. the final obstacle is the toughest and only one third of those who complete the second obstacle are able to get past the third obstacle and finish the race. if 13 people finish the race, how many contestants started the race? 60 66 90 120 144

4y - 6 + y^2 - 9 = y^2 + 4y - 15

y^2 term

terms

- terms

total of 3 terms when simplified

step-by-step explanation:

depends what are you allowed to do ?

answer: the up tack or falsum is a constant symbol used to represent a logical constant denoting "false" in logic.

the forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?