How many triangles can be constructed with sides measuring 15 cm 7 cm and 5 cm

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

Graph y = -|x| + 2. click on the graph until the correct one appears.

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years