There are 8 times as many males as females on the maths course at university. What fraction of the course are female?
Give your answer in its simplest form.

Three times the sum of a number and seven is negative thirty-six. what is the number?

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?