A complex number of the form z = a + bi has an absolute value of 4.00. What could the values of a and b be?

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

How do you find the area of a triangle

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.