B. explain the steps to solve your equation from question 2a.

3. a. if lydia wants to text at least 8 characters per second, like james, then the equation 10r + 4 = 8 could be used to model this situation. solve this equation for r.

b. explain what the variable r represents in the equation given in question 3.

4. consider the equation 8x + 5 = 37. write a real-life scenario that this equation could model.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?