It is estimated that 45% of adults Australian sheep dogs weighs 65 pounds or more example of 18 adult dogs is studied what is the standard deviation of the number of dogs who weighs 65 pounds or more

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?

What is the distance between (3,k+1) and (2k, k-1)