Find the equation of the line that passing through the point (7, -5 ) and is perpendicular to  the line (4x+5y=1).

Find the cube root of .

Directions: Answer the questions based on the information given below:
The following line graph shows revenue and expenditure of company A for 5 years (in Lakhs):

What is the difference between revenue and expenditure of company A over the year?

Direction : The table given below represents number of bikes of five different brands sold from 2001- 2005, with the help of data given in the table, answer the following questions.

The sales of Yamaha increased from 2001 to 2005 by what percentage?

The value of (81)3.6 * (9)2.7/ (81)4.2 * (3) is __

Study the following graph carefully to answer the given questions

R started the work and left after some days, when 25% work was done. After it Z joined and completed it working for 25 days. In how many days R and Z can do the complete work, working together?

If S denotes the area of the curved surface of a right circular cone of height h and semi vertical angle ∝ then S equals

Ram sells two articles, each for the same price Rs.720. He incurs 20% loss on the first and 10% loss on the second. Find his overall percent loss.