The average score for a biology test is 77 and the standard deviation is 8. which percent best represents the probability that any student scored between 61 and 93 on the test?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?