Give the length, breadth and perimeters of a rectangle and a square with areas of 225cm²​

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

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%)

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5