Which of the following phrases represents the algebraic expression 3x + 4? The answers:

The sum of three and a number and four

The sum of three times a number and four

The product of three and a number and four

Four more than the sum of three and a number

the answer is the product of 3 and 4 because 3x is a multipulcation problem

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

2 is the final ! : )