Here is a pattern of squares. S represents the number of small squares in the pattern as a function of n, the step number. Which expression could define S?

Find the missing number. a. 3 : 24 = : 72 b. : 18 = 5 : 9 c. 6: = 36 : 36

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

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%)