What is the simplified expression for 3a^2+9ab+5-4a^2-4ab +3?

Step-by-step explanation:

The given expression is

To simplify the expression, we need to identify the like terms and simplify.

Like terms: The like terms are the terms which are having the same variable and the same exponents. The coefficients may be differ.

Examples: i) 3x and -4x are the like terms ii) are the like terms.

Now let's identify the like terms from the given expression.

are the like terms

9ab, -4ab are the like terms

5, 3 are the like terms

Now we can combine the like terms and simplify.

=

=

y = x + 95

y = 42 + 95

y=137 mm hg

3-4

step-by-step explanation:

the answer is 3-4 because both 45 and 60 has a multiple of 15.

45/3=15

60/4=15

therefore the odds against selecting a red is 4-3