Use the variable x for the unknown, and write an equation representing the verbal sentence. then solve the problem. the sum of a number and 5 is negative 28.

Step-by-step explanation:

The translation to a math expression is ...

  The sum of a number and 5 is negative 28.

                          x     +      5      =    -28

Subtract 5 from both sides of the equation:

  x + 5 - 5 = -28 -5

  x = -33

The number is negative 33.

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

sine

step-by-step explanation: