Select all the equations that are equivalent to this equation. 1/4 (8x + 56) = 20

1. 56 + 8x = 80
2. 14 = 20 – 8x
3. 2x + 14 = 5
4. 2x = 6
5. x = 3

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.