To celebrate the first day of school, Tiana brought in a tray of caramel brownies and walnut brownies. The tray had a total of 60 brownies, of which 65% were caramel. How many caramel brownies did Tiana bring?

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

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.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?