Raportul lungimilor catetelor unui triunghi dreptunghic este egal cu , 7 3 iar înălţimea dusă din vârful unghiului drept are lungimea de 42 cm. Aflaţi lungimile segmentelor în care această înălţime împarte ipotenuza

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if