What type of angle is it? Choose 1

Acute angle
Obtuse angle
Right angle
Straight angle

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.