Answer:
b>1
Step-by-step explanation:
-5b+8<3
-5b<3-8
-5b<-5
5b<5
b<5/5
b<1
b>1
Answer:
its 24
Step-by-step explanation:
because negative times negative is positive
Answer:
A. fixed ratio
Step-by-step explanation:
Here worker is paid a fixed amount of $25 for every 20 chimes that she builds ( work quantity is also fixed). Therefore, the of reinforcement on which she is paid is Fixed ratio. In this schedule the reinforcement is done after a completion a fixed number of responses which 20 here. And in every cycle of reinforcement number of responses remain the same.
Answer: 
Step-by-step explanation:
You need to draw a right triangle as the one attached, where
is the angle of elevation from the fire to the top of the fire tower.
You need to use the Inverse trigonometric function Arctangent:

Observe the triangle. You can identify that:

Then, you can substitute values:

Finally, evaluating, you get that the angle of elevation from the fire to the top of the fire tower is the following:

Rounded to the the nearest tenth of a degree:

Asked and answered elsewhere.
brainly.com/question/10629871How do you calculate it? You start by expressing the density in the units you have. Then you multiply by appropriate conversion factors to get to the units you want. Treat units as though they were any other variable. A value cancels that appears in both the numerator and denominator of a fraction.