What kind of model is shown below?

2CO+o2-->2CO2

A. A structural model

B. A physical model

C. A computer model

D. A mathematical model

Two nonverticle lines are parallel if they have the same ___ and different ___.

Mackenzie knows the surface area of a sphere. Which explains how she can find the surface area of a hemisphere with the same radius? a. Divide the surface area of the sphere by 2, and add the area of the base of the hemisphere. b.

Haley's softball team has a phone tree in case a game is cancelled. The coach calls three players. THen each of those players call three players, and so on how many players will be notified during the third round of calls

A price fixed above equilibrium that change the incentives that both buyers and sellers face is called price

Sofia believes that 7 is the value for x that makes the equation 3x+4=25 true. Is she correct.

Simplify this expression. 5^6 : 5^4 A. 2 B. 5 C. 10 D. 25

Caitlin wants to read for 90 minutes so far she has read 30% of her how much more longer does she need to read

A family went to a baseball game. They parked the car in a parking lot which charged $20. The cost per ticket was $28. Write an equation for the total cost of going to the baseball game, where y is the total cost and x is the total number of people.

Show me how to work the equation for 6*+20=-4

the total cost of a pair of shoes is $85.86. What was the cost of the shoes before the 8% sales tax was added?