Solve the inequality and express your answer in interval notation
(x - 2)(x+1) > 0
(x-2)

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

What is the circumference of a circle with an area of 50.24 cm²?

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?