What is the value of (–20.16) + (–3.9)? a. –24.06 b. –16.26 c. 24.06 d. 16.26

Option A -

Step-by-step explanation:

Given : Expression

To find : What is the value of the expression ?

Solution :

Step 1 - Write the expression

Step 2 - Applying symbol rule i.e. multiplication of positive into negative is always negative,

Step 3 - Solve

Therefore, The value of the expression is

So, Option A is correct.

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°