Answer:

Step-by-step explanation:

Multiplying positive integer and negative integer gives a negative integer i.e ( + ) × ( - ) = ( - )

The negative and positive integers are always subtracted but posses the sign of the bigger integer

Hope I helped!
Best regards! : D
The area of a triangle = 1/2 * b * h
A = 1/2 * 11 * 7 = 38.5
your answer is D
hope that helps :)
Answer:
z is 95 degrees.
Step-by-step explanation:
Linear angle pairs make 180 degrees. Since ∠ABC is a straight line, it is 180 degrees. And since ∠ABD and ∠DBC are on that line, they are a linear angle pair. You just need to find out what number + 85 degrees would = 180 degrees, which in this case, is 95.
Also in the first question P = 30, because 2(30) + 30 = 90