A theatre has the capacity to seat people across two levels, the Circle and the Stalls.
The ratio of the number of seats in the Circle to the number of seats in
the Stalls is 3:5
Yesterday, the audience occupied of the seats in the Circle and
all the 1520 seats in the Stalls.
Work out the percentage of occupancy of the theatre yesterday.
You must show how you get your answer.

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

How many grams the dog will eat in 3 days?