On a science quiz. ivan earned 18 points. there are six problems worth 2 points each and two problems worth 4 points each. find the numbers of problems of each type ivan answered correctly.

Ivan answered both questions worth 4 points and 5 questions worth 2 points correctly

Step-by-step explanation:

If there are 6 questions worth 2 points then that equals 12 points

Then 2 questions worth 4 points each equals 8 points.

12+8= 20 so thats 20 total points. If he only got 18 then you subtract 2 and thats the worth of one point.

So, the 2 questions worth 4 points is 8 total points plus 5 questions worth 2 each is 10 total points = 18 points.

step-by-step explanation:

(s)he  is right it would be 5.5% because it is smaller than 15.5% or anything smaller than 15.5% in general

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b