The answer is 51 hope this helped!!
Answer:
61
Step-by-step explanation:
all angles of a triangle adds up to 180
180-77-42=61
B. $2.80
you do .8•35 then you get 28 then you move the decimal over 1
To find the contrapositive, you negate the hypothesis and the conclusion of the statement, and then switch their positions in the statement such that the conclusion becomes the hypothesis and vice versa:
If two variables are directly proportional, then their graph is a linear function.
If two variables are not directly protional, then their graph is not a linear function.