First, you have to get rids of brackets by multiplying :
Next you have to collect the like-terms :
Answer from: Quest
17 is c. congruent means equal in size
Answer from: Quest
6, 10
9, -13
12, -21
18, -23
step-by-step explanation:
you just add 6 to the x-coordinate and subtract 10 from the y-coordinate.
Another question on Mathematics
Mathematics, 21.06.2019 13:30
There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.