Use the relationship between the angles in the figure to answer the question.

which equation can be used to find the value of x?

x = 52

x + 52 = 180

x + 52 = 90

52 + 38 = x

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

Which of the following scenarios demonstrates an exponential decay