3. In a certain school, there are 456 girls. Calculate the total number of students if 24% of the total students are girls.

4.A man got 20% increase in his salary. His new salary is 24,000 rupees Find his
original salary

PLS I need the answers in like 5 to 10 minutes pls

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Having a hard time understanding this question (see attachment).