Seven of the 10 children at art camp make an average of 8 paintings. the remaining children make an
average of 12 paintings.

what is the average number of paintings made by children at the art camp?

(work backwards multiplying the two averages with the two group of children. add the averages, then divide by
all the children.)

9.2

Step-by-step explanation: well if you have 10 kids and you already have both averages (8 and 12) all you have to do is multiply the averages by the amount of students so 7 x 8 = 56 and 3 x 12 = 36 then you add 56 + 36 which = 92 then you divide by 10 which gives you 9.2

8

step-by-step explanation:

this is a subtraction problem.

10 - 2 = 8

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: