Will reward brainliest a problem states "there are 9 more children than parents in a room. there are 25 people in the room in all. how many children are there in the room? " let "c" represent the number of children. which expression represents the number of parents? a. c + 9 b. c * 9 c. c - 9 d. 9 - c

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Can someone me with this problem i don't understand i need