In order to win a quiz contest, olga must score more than 400 points. she earns 12 points for each right answer, and loses 4 points for each wrong answer. write an inequality that represents the number of right answers (r) and wrong answers (w) olga can give to win the contest.

The inequality that represents the number of right answers (r) and wrong answers (w) Olga can give to win the contest is:  

Explanation

Number of right answers is   and number of wrong answers is  

Olga earns 12 points for each right answer and loses 4 points for each wrong answer.

So, total points earned for right answers

and total points lost for wrong answers

That means, her score will be:   points.

In order to win the quiz contest, Olga must score more than 400 points. So, the inequality will be.......

b. x- 48 =120

step-by-step explanation:

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)