His mistake was adding 12+2 when he was supposed to subtract.
Answer:
85.6cm
Step-by-step explanation:
Area of a triangle =1/2*b*h
Where base=19.5cm while the height is 8 4/5 = 8.8
Area = 1/2 * 19.5cm * 8.8cm
Area = 171.6cm/2
Area=85.6cm
The answer is to the geometric sequence is 512
Fractions that have the same number on the bottom have a "common denominator."
Yes that’s correct
14 x 2 =28
28 - 5
=23