The unlabeled part of the right angle is complementary to 68 degrees, so 22 degrees. y is supplementary to 78 degrees, so 102 degrees. z as the third angle in the small triangle is 180 less than the sum of the other two,
z = 180 - 22 - 102
Answer: 56 degrees
the population is the 40 seniors who were randomly selected and the sample is all seniors
Answer:
6.5
Step-by-step explanation:
when a negative is multiplied by a negative it in turns turns into a positive...hence 2+4.5
Answer:
$120
Step-by-step explanation:
150-20%
For some reason it says that my response has to be 20 characters long that's why I'm typing this.
7 and 9
7^2=49
9^2=81
49+81=130
