Which equation is an identity?

3w + 8 - w = 4w - 2 (w - 4)

8 - (6v + 7) = - 6v - 1

5y + 5 = 5y - 6

6m - 6 = 7m + 9 - m

How do you find the domain and range of f (x) = 8x^2-5x 2?

Six years ago Peter was half Sams age. four years from now sam will be 16 how old is peter

how many ways can we award a 1st, 2nd, and 3rd place prize among eight contestants? A) 336 B.) 56 C.) none of these D.) 40320

The cost of catering a dinner is $11.95 per person plus $25 for delivery and setup. Which statement is true about the graph of the function that represents the average cost per person?

How can you round 7x396

What is 10.31 as a mixed number

Which ordered pair is a solution of the line y - 2x = 6?

A manufacturer of cheese filled ravioli supplies a pizza restaurant chain. Based on data collected from its automatic filling process, the amount of cheese inserted into the ravioli is normally distributed.

Javier and Julianne want to buy a $200,000 house. They have $40,000 for a down payment and need a $160,000 loan. They try to get pre-approved for a loan of that size but are denied. What is the most likely reason that the loan was not approved? A.

X^2-4/x^3+7x^2:x^2-x^2-6x/x^2+4x-21