Answer:

Step-by-step explanation:
Given


Required
Determine the coordinates of S
Midpoint is calculated as:

Where:


Substitute these values in the above formula:

Multiply through by 2


By direct comparison:
and 
Solving for x2



Solving for y2



Hence, the coordinates of S is: 
Answer: B
Step-by-step explanation:
Answer:
1. 90
2. -12 +5
3. 83
Step-by-step explanation:
90 -12 + 5 = 83
Answer:
0.00578 the answer is 0.0058
Answer:
a.) 102 b.) 99.4
Step-by-step explanation:
a. 34 x 3 = 102
b. 7[62 ÷ (52 − 42) + 8] =
or
or 99.4